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VOLUME
NO.
r
i
i
y
i
4
JANUARY. 917
IN
HIS
SSUE
TEN
ENTS
D. Lee D Forest
vs.
O
oorkead
Tke
New
roposed
Rado
Act
First
and Only
Wireless
Magazine
published
on
the Pacific Coast
I
MM
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THE
LECTRON
ELAY
PATENT
APPLIED FOR
The
Electron Relay s a
uper-Sensi-
v ive device
or he
eception
of
damped
and
undamped
waves
his
ube
eeds
no ntroduction as t
has
been
accepted
as
he
tandard
acuum
detector.
We are
now
able o
give
he ollow-
ing
guarantee:
If
or ny
eason
he
lectron
Relay s ound unsatisfactory,
or
f
the
ilaments do
not
ast isht
hun-
dred hours,
or
f
he
Rel f
s
not
more
sensitive
than
the
deuPy.or
you
are
ow
sing, egardless f he
type,
e ill mmediately efund
your
money.
The Electron
Relay
has
een nder-
going
mprovement
within
he
last
thirty
days
and due o
he
arge
ale
oe
can
manufacture
hem
t
educed
ost.
The
mproved
ype
of
he
Electron
Re-
lay bears
he
etters
ER tamped n he
plate.
ach
ube
that
is
stamped in his
manner
carries he
above
guarantee
and
in
addition
t
is
guaranteed
to
e
a
com-
bination
f
etector, scillator
nd
amplifier.
THE
MOST
ENSITIVE
DEVICE
KNOWN
You
cannot
ose
on
hese
guarantees
as
your
money
will
e
refunded f you are not
satisfied.
nsist
on
the
genuine
Electron
Relay tamped E R, at the new educed
price.
$5.00 repaid
We manufacture he panel
ets
or
he Electron Relay with
potentiometer
control
of A
and
B
batteries
rom 15.00 p.
Send for our descriptive
circulars n
all of
this
apparatus.
Pacific
aboratories ales ept.
534 acific ldg., an
Francisco
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YOU
WANT
HE EST ETECTOR- AMPLIFIER-
OSCILLATOR
AUDIOTRON
PACIFIC
ADIO
EWS
KnovvYoure
Rgh
Then G
Ahead
In
nearly
wo years' ervice has proven tself upreme.
Audiotron
s he only
genuine
and
original
ubular vacuum
detector.
or
proof
see
our
initial
advertisement in World's
Advance
and
Popular Science
of October, 915.
mitations
did not appear or
ix
months—and n mitation s never
as good as the
original.
undreds of estimonials
approve
0
his claim.
TEST HE AUDIOTRON
T
UR XPENSE
Write
or
our
complete
proposition
Audiotron Combination Detector-Amplifier-Oscillator
H
ith
Two
ilaments
S
ully
Guaranteed and Delivered
Free,
5.25
1 irst ublic
fering
MPLITRON
Pure
Electro
- Static Relay
This
ew etector-Amplifier-Oscillator esigned
ast
f
pril
by
Audiotron Engineers.
ests prove
the
Amplitron
to
be he most
persistent
oscillator
yet developed. ouble
ilament—Long
Life—No grid
o
bend.
$5.25,
elivered
ree
8
T —
Satisfaction
guaranteed—or your
money
back
AUDIOTRON
ALES
O
315
LICK
BLDG.,
SAN
FRANCISCO
;
nwn.awat
When
writing
< >
Advertisers
please mention
h is
Magazine
J
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PACIFIC ADIO
I-AVS
*
PACIFIC
OAST FFICE F
WM.
.
MURDOCK CO.
CHELSEA, MASS.
•I
liBl
N o .
5 5 Receiver
N o,
3 6 6 Variable Comlenacr
AND
JEFFERSON LECTRIC
MFG. CO.
CHICAGO,
LL.
F
"
N o.
2
Switch,
8%
in,
l o n g :
N o.
1 Switch,
2H
in.
longj
Flexible ransformer
m
IS
21
ECOND T., AN
RANCISCO
S E N D OR R EE
CATALOGUE
KEELER,
WHITE
C O G E N T S
When writing o Advertisers lease mention
his
Magazine
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1
.pacific a6vo ws
l
m
A
Monthly
Magazine
of
Radio
Communication
Published
y
the an rancisco
adio
Club
H . . ICKOW
ditor
.
O. FASSETT.... Asst. Manager
P.
.
ENNER
anager
.
.
c G O W N
sst.
Editor
Volume A N U A R Y , 917 o.
Contents
Cover Design
Introduction
Facts
'To
ictory"
T h e
.
. adio
Club
T he ew roposed adio Act
Dr.
.c e
DeForest
s.
O.
.
Moorhcad
Radio
Constructors
Leave
Mare
sland
Sealing h e adio f
elligerent
erchantmen
T he nd
of
th e "Bear"
Coninmnication
ith
apan
Splashes
f
tatic
Johnny's
.xaniination
The "Providencia"
Disaster
Lightship nstallations
T h e
California-W ashington
ootball
Game
by W ireless
Editorial
T he
adio
Laboratory
at
he
University
f
California.
T h e
Query
Department
Handy
Hints
Marconi uperintendent esigns
C H A N G E OF
A D D R E S S — W e
should
be
notified
promptly
f
any
change
in
our ddress,
iving
both he
ld
nd
ew
ocation.
he Postmaster,
s
well as
the
Publishers,
should be notified
of
the change.
All
forms
close
on
the
first
of
th e
month
preceding
date
of
issue.
Published
Monthly by
he an
rancisco adio Club
50
Main
t. ,
S an
Francisco,
Cal.
Subscription
$1.00
per
year
in th e
U.
S.—$1.50
Foreign. ingle
copies
10
cents
J. . Saho
6
6
7
9
1 0
1 3
1 4
1 5
1 7
1 8
1 9
20
2 1
2 1
22
2 4
26
2 7
28
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PACIFIC R A.OIO
F .W S
>
Pacific ado
ews
The publishers ereby disclaim
he ntire
e-
sponsibility f
he
tatements
made
n his
Magazine.
e
ish
o tate hat
he
Pacific
Radio
News"
s
an organ for
the
conveyance f nowledge
r
pinion
from uthor o eader, nd we
ill
publish any and all sides of
various
controversies
pertaining to the
art
of
adio
ommunication
ro-
viding
hey
re written n
presentable
manner
I
JANUARY
917
^
WIipu writing c i A.ivcriis.-is ilrasr n-ntion h is Magazine
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PAC11"IC
ADIO FAVS
IntroJucmg
ke
Pacific
Radio
News
REASONS
FOR
PUBLISHING THE
MAGAZINE
A
publication hat ills he ongest
ell ant has
become
realitv at ast. low
often
have yon womlered-why a perioil
ical
elated
to
Pacific
Coast
radio
news
had not
been published
long
ago? ow often have you onged
or
just
such maga-
zine?
he
answer
s
he
Pacific
adio
ews", a agazine
on adio
subjects
hat has
conic
o
stay.
Verv ittle acific
Coast
ews
s published n
he
existing
radio
magazines,
mainly
due
to
he
act
hat
hey
are
Eastern
publications, and
n order o publish acific news hey ould
have
o
dig
deep
nto
heir
pockets. hat
s
naturally
o be
expected
; t
would be ust as
hard
or us
o
publish
astern
news
as t s or hem o publish Western news.
A
agazine
publisher
cannot
lease
he
entire
number
of
radio nthusiasts n his ountry ith ingle ublication,
thousands
are
bound o disagree with im n any espects,
and again
housands
will
ide
with
him
o
he
ery
ast.
I
o
publish
a
magazine even on he Pacific
Coast
s
a great under-
taking:
we
have
o
overcome
a
housand
and
one
difficulties,
and. ntil hese
are
horoughly vercome, e annot lease
the verage
eader
of
his
ublication.
e
ill ndeavor,
however, o atisfy he
emands
f he
reat ajority
of
readers,
or
we will publish
news
(hat
will p|>eal o ninety-
nine
out
of
a
hundred
adio
operators,
and
we assure you
hat
this agazine ill
e
one
of he
greatest
f
ts
ind
n
he
Cniled
Slates.
PACIFIC
COAST NEWS
Without
he
slightest
doubt,
an Eastern pttblicalioit
s
in
a
better
osition
o
ublish
ascinating
ireless
ews
imply
because
he
great
manufacturing concerns,
he
eading Radio
Telegraph companies, he great amount of oreign
news, etc.,
is originated on he
Eastern
coast.
Eel his
not
iscourage
you:
quite
he coulrary.
et
t
he
of
great encouragement o you because ite news hat e will
publish
will ie
equal n quality,
equal
n
aseiuation
and
equal
in
nstnictiveness
o hat published
n
other
adio magazines.
An
unlimited
supply
of
the
most nteresting
news
can
be
pub-
lished
monthly,
the
Pacific
Coast s
overflooded
with
news
and
the wireless ield has lourished as much on
he
Pacific Coast
as
t
as
anywhere
lse.
ut
you do
not
know
his,
and
t
may
e
difficult
o explain
t o you, and he
only ay hat
we
can
rove
his
act
s
o have ou ead
he
agazine
monthly. he reatest adio ngineers n he
ountry
ill
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PACIFIC
ADIO A N ' S
agree
with
us,
many
having
already given
us
heir heartiest
support
and
have
assured
us
of
an
unlimited
supply
of
interest-
ing and nstructive articles.
OUR
NBIASED
PINION
I his
magazine
s
not published
by
any existing adio cor-
poration. t s ublished y
one f
he est
organized adio
clubs
n he
nited
tates—the
an rancisco
adio
lub.
I he articles
published will prove
to
be interesting and
fascinat-
ing
in
all espects,
or
we will publish articles hat
will
make
the
greatest
adio
engineers
hink,
and
assure you
hat
hey
will
be
written
so hat
he
humblest amateur can
understand
them.
We are n
a
position o
publish articles hat other maga-
zines
dare not publish.
hey
have their reasons,
and
it
would
be
an
act
of
great njustice
o them
o publish
certain
articles.
I
his case does not apply to
us,
we
are
not ncorporated with
any
manufacturing
corporation,
and
herefore we
can
publish
ABSOLUTE FACTS and give you
BOTH
sides
of
the storv.
\Ve
will
publish
articles
hat have never been een or heard
of
before
by
he
average
operator, our
unbiased
opinion
ill
lead us to certain
victorv.
LONG
LIVE
THE
ACIFIC
RADIO
NEWS
THE UBLISHERS.
FACTS
A
magazine
of
W estern ews,
A ublication
ine,
I
Ins ecome great eality
for
nce
nd
ll
h e ime.
H ow
often have you
wondered
wh y
A
ook
ou
eeded most,
H as not
been
ublished
ong
ago
On
our
acilic
Coast?
T h e
eason
s.
dear
eader
riend,
That
o
ne ad he
pep".
T o
iv e
ou
acts, nd nly acts,
And ak e h e irst
great
tep.
T h e
problem as
been
solved
by us.
W e
have
th e
ews
galore.
S o
help
us boost th e
"Radio
News"
For
nce
nd
vermore.
T h e an
rancisco
adio
Club,
I ts
members ried
nd rue,
Will
urnish ll
he
atest ews
That
may
ppeal o ou .
T o
inish
hen,
we
wish
o
say
T he irst great tep was made,
To iv e ou
acts nd nly
acts,
And
acts
hall
ever
fade.
—II.
W .
Dickow.
your
orth
projects
ith
"T O
ICTORY"
(Reproduced rom Herbert auf-
man eekly age
ow
ppearing
i n
he
an
rancisco
xa
miner.
Copyright.
9 1 6 ,
y erbert
auf-
man.)
They
may
oubt
ou,
They
may
lout ou,
Block
our
lans
nd
ie
bout
you.
Deprecate
vision,
I.ash
our
rision.
B ut he ltimate ecision
Rests
ith
ou.
f
eers
thrash ou,
Every incompoop ill
mash
you.
Go n
ith our
ork—don't
heed
hem;
Will nd
onfidence
don't
eed
them.
Every man who
as
mission
And
emains
ru e
o
mbition,
Downs h e rifles hat ppose
him
And
ollects
h at
ankind
owes im .
and
dc -
can
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PACIFIC
ADIO
FWS
/
Of
all th e
great
wireless rganizations
in th e
United
States, it
will
be ifficult o
ame
ne hat as ccomplished
s
much
s
he
an
Francisco adio
Club,
considering
f
ourse,
he
ength
f
im e
hat
th e
lub h as een rganized.
A
rief history
f
he lub
was
llustrated
n h e
916 dition
f
th e
"Year
Book", bu t
as
a
scant thousand
wireless enthusiasts
received
a opy
of
this
book,
we
hink
t
dvisable
o ublish another
account
of
the proceedings of this well known organization. he club started
its
career
uring
he
arly
part
f
anuary.
916,
when
andful
f
local operators met in order o iscuss he
ossibility
f stablishing
a
wireless
organization.
T he
plans
were
successfully
carried
out,
and
the first steps towards
founding
the
great
organization
were
taken.
he
news
spread
quickly
and ffectively; many operators
esponded
o he all or members,
and
the
membership increased
at a
rapid
rate
as the
months
passed
by.
At he
im e
h e Year ook was ublished,
nly
6
adio perators
possessed he
lub
embership
ard,
ut onditions
av e
hanged
greatly
ince that
ime.
T he ask
f
ublishing he Year
ook
was
hought
o e n m-
possibility
y other adio
rganizations, ut
ur
plans roved o
e
successful n ll espects, the ook was rinted y ne
f
our mem-
bers
and
distributed
among
radio
operators
thruout
the
United
tates.
Hundreds
f
etters
were
eceived
ro m astern
nthusiasts sking
for opies
f
h is
ooklet,
nd
h e
upply
as
xhausted
ithin
period
f
three
weeks
fter he
dale
f
ublication.
At meeting
f
h e lub
eld
everal
months
go,
U.
.
adio
Inspector. r,
.
. tone, tated hat he an rancisco
adio
Club
was
he
only rganization
hat
has
undertaken he
ask
f
ub-
lishing a
Year ook, excepting, of
course, the
great nstitute of
adio
Engineers. h e
upply
f he ook eing xhausted, he members
desired o
ublish
econd ssue f he roceedings on an nlarged
scale,
and
he
Pacific
adio ews"
s
th e
esult.
It may e f o ittle nterest o
many
radio operators o
ealize
that
an rganization
f
ur haracter s
able
o ublish nd
inance
magazine
of
such
roportions
s
the
N ews" ,
but
evertheless
it
s
a
great
eality. e
av e ndertaken
omething
hat ould
ot
av e
been
ttempted
y undreds f ther imilar
rganizations
n h e
country. h e
time
was
ripe
fo r
a
great
organization
to
come
into
th e
field
n
an rancisco; our city lacked nothing
but
ood adio lub
and adio
magazine.
In
ormer
ears
here
nce
lourished adio rganization
lso
entitled
he
an
rancisco
adio
lub,
aving
embership
f
about
ifteen
perators.
h is
lub was
rganized
efore
he
.
.
Government
laws
went
into effect and
disbanded shortly
after
th e
laws
of
radio communication h ad been passed.
Out
of
th e fifteen members,
twelve
of
them successfully passed h e
U.
. overnment
ommercial irst
rade
xamination
nd
ere
assigned s
perators
o
arious hip nd
hore
tations
long
h e
Pacific
Coast. he
ormer
resident
f
h e lub,
M r.
.
.
Cowden,
is now
working
h e
econd
rick t
he
eattle
and
tation
f
h e
Marconi
W ireless
elegraph
Co.,
eing ormerly
mployed
s
pera-
to r board many ships
quipped
with
Marconi pparatus. n
letter
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PACIKIC
ADIO
EWS
received ro m im
everal weeks
go,
e makes
he ollowing
tate-
ment
egarding
he
an
rancisco
adio
Club:
"I
hear...
.that here s onsiderable ctivity n an rancisco n
th e wireless game;
hat
there
is
quite
a
club in
existence,
being
wide-
awake
nd oing something seful.
"I also..
..hear
that
several of th e
original S ,
.
adio Club mem-
bers
are connected
with
th e new organization. ounds like
a
revival
of
th e
spirit
of
th e balmy old days."
Many of h e
riginal
members are still employed by various
wire-
less orporations n
he
acific
oast,
while
thers
av e
eft
he
game or ood.
T he
membership
is
divided
into
tw o
classes:
ull
Grade
Members,
and
Associates. nly
ull
Grade
Members
re
llowed the
rivilege
of
olding
he
ffices
f
resident,
ice-President
nd
xamining
Officers.
xaminations
or
ull
Grade Members
re
eld
quarterly
at he
lub
room under he supervision
f
tw o Examining Officers.
T he
xamination is
equivalent
in all
espects
to
he
U.
.
Govern-
ment examination or First Grade
Commercial
icense nd ny
mem-
ber
who successfully
passes
the examination will
be
sure
to meet
with
equal
uccess when e s
xamined y he
Government
Officers.
T he
lub
has
been
f material
ssistance
o
he adio nspectors
of
this city,
as
well
s
to
he ommercial and stations n he mme-
diate icinity. eports
f
nterference
etween
mateur
nd
om-
mercial
tations s apidly ecreasing; tations perated y members
are tuned
o omply
with
he
la w
by means f
accurately
alibrated
measuring
nstruments hat h e
lub
ossesses.
T he
ask
f
uning
tations
o
esonance
as
met
with
great
p-
proval
by
the
local
adio
Inspectors,
as
will be
shown
in a
statement
made
by U.
S .
Radio
Inspector
V .
Ford
Greaves, in
charge
of
th e
local
office at he
Custom
House.
is
tatement
ollows:
(From
etter
ent o
he
resident
f
he
Club,
M r.
.
W .
Dickow.)
"I
am
very
much
obliged
for
your
letter
of
September 11th,
and desire to ongratulate you and the members
of
your
club
upon
our
xcellent
rganization. elieve hat
your work
will rove
o
he mutual dvantage
f
h is
Department nd
your
members.
Signed)
.
FORD G R E A V E S ,
Radio
Engineer."
N othing
but
the
highest
praises
are
received
from
the
various
radio
engineers
n
h is ity egarding ur rganization, nd
we
an ruth-
fully
tate
hat
ew,
f any,
organizations
have
ccomplished
as
much
as
we
ave,
onsidering th e ength
f
im e that we
av e
een rgan-
ized. an y
prominent
peakers
address
he
members
at
he
egular
business
eetings,
adio nspectors,
aval perators. lectrical
Engineers,
nd
others
ave
elivered
ery
interesting
nd
nstructive
lectures n
arious
ubjects.
he
ew
lub
oom
s ocated n
h e
northeast
corner f rederick
nd
elvedere treets,
nd
s
mply
large
nough
o omfortably ccommodate 0 0 members. he mem-
bership
f
he lub pproaches
ery near
the undred
mark,
s
our
membership
directory
hows.
Commercial
and
experimental
operators
epresenting
lmost
every
wireless
orporation
n
he
acific
Coast
re
embers
f
he
lub,
thus nabling
he
members
to
eep
n
constant ouch
with he
many
developments
made
y
h e
arious
orporations.
T he nitiation ee
or
members
nd
ssociates
s
ne
ollar, he
membership
ard
eing
upplied po n ayment f he nitiation ee .
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PACIFIC ADIO EWS
T h e onthly
ues
or
oth
rades
f
membership re
wenty-five
cents,
payable t
h e
irst
meetmg f
he
month.
„
T he large membership ertificate s
issued to all members
wfio are
in
ood tanding,
he
ppearance
f
he
card
aving
met
with
he
utmost pproval f he membership. t s imilar n ll espects o
the
membership
ertificate
ssued
y
other
arge
wireless
rganiza-
tions nd will ill prominent
osition
n
ny
adio tation. he
regular
bi-monthly
lectures
that
are
delivered
by
members
of
the
lub
are ent n
rinted
orm
o
all members, o
harge
eing
made or
this
ervice. t s
esirable
hat
he ay District
ommercial nd
experimental operators
pply
or
membership
n
order
hat
our lub
may
ecome ne f h e
eading
rganizations
n he
ountry.
ny
information
egarding he lub will
e
urnished
by
he ecretary-
Treasurer, H. . ee, 58 0
Grove
t., an
rancisco, Cal.
OFFICERS
OF
THE CLUB
H .
.
ickow
resident
D.
.
cGown
ice-President
H .
.
ee
ecretary-Treasurer
T
. yan ergeant-at-Arms
H .
. alarin
xamining
Officer
C. . eaney
xamining
Officer
Tke
New
Proposed
Radio
Act
To
B e
Placed
Before Congress At
Its N e x t S e s s i o n
GOVERNMENT
OWNERSHIP
OF
ALL
C OA STA L
STATIONS
S o . - ,
.
e t
nacted
y
he
enate
and ouse f epresentatives f he
United
tates
f
merica
n
ongress
assembled,
hat
herever
sed
n
h is
Act he erm radio ommunU'ai inn
shall o
orislrued
o
mean
ommunioa-
lii.ti
y
ny
ystem
or
method
«t
eleotrl-
< - h
ommunication
ithout
he
id
f
.tiler
conducting
conned ion;
he
word "npparains" . . mean
machines,
de-
v i . - . - s , nd il ilier
unipinent
sed n
radl minunicaUon:
he
words
Trans-
mitter"
nd
receiver" o
ean,
l i e
s.-n.ling
nd eceiving
|i|iarains,
espec-
llvcly,
sed
n
adio ommiinhali.m:
he
word
radiogram" o
mean
ny
message,
i-oimnnnication. r
ignal,
ransmitted
r
received
n
adio
nmmunlcation:
lie
term
radio iallon" o ean lace
where
apparatus
is
used or
transmlUing,
or or ransiiiilling
nd
eceiving,
he
signals sed n adio .ommnnicatlon; he
id-in
(
.overnment
land
stalion"
to
mean
any
adio
iallon
n
and,
r
n
er-
inanenlly
oored
essel,
ontrolled
nd
opera
led
y
ny department
f
th e
Gov-
ernment: th e term
"Government ship
sia-
llon"
o
oan
-
adio
tation n
ny
ship
f
i e
overnment
onlrolh-d
nd
operated
y ny epartment of he Gov-
ernment nd
ot
ermanently
oored:
and lie erm Territory f
he
Untied
Slates"
r
th e
word
Territory"
o
mean
any crrilory.
Dislricl,
Zone, nsular pos-
session, ater, r
ther
lace
uhjecl
to
he urisdiction
f
i e
United
tates,
and
ot within
ny
laie.
The word
person"
s used n this Acl
shall e onstrued
o
mport
oth
he
plural nd
he
ingular
nd
o
nclude
a
ciirporali.in,
o-partnership,
ompany,
i
association;
and
when
construing and
n-
forcing
lie rovisions
f
h is cl. he
ad, mission,
r
ailure f any irector,
oitlcer.
gent,
r mployee
f
uc h
or-
poral
ion.
o-partnership,
ompany,
r
Mssoclallon
cting
ilhin
lie
cope
f
his
mployment
r
l t l . - e
hall
n
very
case
.. - eemed o e
he
c t. mission,
or ailure f
ucli
orporal
Ion.
o-part-
nership, ompany, r
association, s well
as liat of he
person
acting
for
or
on be-
half
thereof.
S e c .
adio
tations re
ivided
or
I lie
purposes
of ids c l . nto
th e
ollow-
ing
classes:
1
oaslal
tation, tation
n ano
or
on
ermanenlly
moored
essel
sed
for
lie xchange f
orrespondence
with
ships t ea. oastal tations nclude
(a) liose pen o eneral
ublic orre-
spondence. nd
b>
hose
open o
imfled
pid.lic
orrespondence. oastal tations
of lass
h ) ransmit, nd
eceive
ublic
messages
o
nd rom
ertain
tations
(Continued n
age f)
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Dr.
Lee
De
Forest
s. O
B
MoorkcaJ
B y
O.
. oorhead
T h e
ubject f acuum ube
e-
tectors as
een
ery
ell
overed
in he
ast
year
and
eference
o any
publication
ealing
ith
adio ill
reveal mass f echnical
data
ov-
ering
he
peration,
circuits
and
har-
acteristics
f
he
arious
ypes
f
these devices.
herefore av e elim-
inated
ll
atter
ealing
ith
h is
phase
f
he ubject.
ummary
f
th e
uit
ecently
eard n
he
. .
Federal ourt
nd
he
pinion
f
Judge
an
Fleet
hall
e
he
ubject
of
he ollowing
rticle.
On
he ifteenth
ay
f
ebruary,
this ear,
he
e
orest adio
el.
an d Tel. Co. iled a
complaint
gainst
M r,
H y d e
and
th e writer, who arc co-
inventors
of
h e lectron
elay,
al-
leging
nfringement
po n even f
his atents.
he
efense f h is uit
was mmediately
aken
p nd ocal
radio
xperts
ere
alled
po n
o
submit
estimony n
our
ehalf.
r.
llaller,
f
an
rancisco,
iled
lengthy ffidavit egarding he ction
of all
ypes
of
vacuum
detectors. o
trouble
as pared
o
ollect
ata
fo r
h is
ffidavit. ages
rom h e
writings
f
uthorities
n
h is
ub-
ject were opied nd
ncorporated
n
bis estimony
and
lie ompleted
ep-
osition
argely
ffset
h e
howing
f
M r.
ohn
tone
f
h e
e
orest
Company. r. .
.
prado, f
S an
rancisco, repared
aluable
affidavit
ouching po n h e heory
of
acuum
ube
detectors.
r.
Hyde
filed vidence
overing ie
manufac-
ture
f
h e elay, hile
he riter
submitted everal
epositions
n h e
operation
nd
amifacturc
f
h e
lube. he
irm
f
Whi le
nd
rost
was
etained
or
he
efense
nd)
M r. illiam
.
White
repared
n
argument
which
ealt
ith
ll ypes
of detectors
showing
th e dvance and
difference
n
ach.
After h is vidence as
iled,
he
Dc orest
ompany
rought
orth
several
ounter
ffidavits
n hich
they
ltempted
o
how ow ittle
radio
men po n h is oast new
of
th e ubject. t as lso
harged
that h e
efendants
ere
perating
in
ecretive
anner.
his as
done
o
reate
n
nfavorable m-
pression
f
he
efendants.
he
De
Forest
ompany as artially uc-
cessful
n
his, s udge an
leet
mentions n nfavorable
mpression
made
po n
h is
mind
s
o
he
man-
ner
n which h e defendants racticed
their
ights n he evices hey
were
niamifactnring.
he
nly
eason
c
I 'orest
as
uccessful
n
his, as
due
o
he ac t hat we
were
trug-
gling long
with very
imited
apital
and
ur
ompanies
ere
ot
ell
known.
owever,
when
our
asserted
rights
were ontested we were
uick
to
ome
orth
nd
efend
hem.
Of
ourse he rosecution
ndeav-
ored
o
urround
he
uestion
f
n-
fringement
with
o
many
petty
issues
that he ctual
uestion
was
ard
o
decide.
udge
an
leet
ade
very
air ecision,
nder h e
ircum-
stances,
y
merely
equiring
ond
from
he
efendants
n
rder
o
n-
sure our appearance at he inal rial.
John
I.
iller,
or
laintiff,
William
.
Whi te ,
or
efendants.
'I
h e
Court
orally):
ully
ecog-
nize
he alue
nd ropriety
f
he
general
ule
hat h e
uestion
f
n-
fringerncnt,
f
at ll lose hould
not
be
rejudiced
y
etermining
t ven
potentially
n
earing
f
h is ind.
I
hink
ffidavits, eing
holly
x
parte.
re
ery
nefficient
s
medi-
um
f
eaching
he
est esults
n
any lose
uestion
f
ac t o e
e-
duced
rom
vidence.
he ntroduc-
lion
f
vidence n pe n court n he
usual
anner,
here
h e
ight
nd
privilege
f ross
xaminalion
ay
he ad
s
uch ore
fficient
or
bringing ut
he ull
ruth;
hat
s
so ssential requently
n
etermin-
ing he
omewhat
efined uestions
arising
in
ases
of
h is haracter; nd
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PACIFIC ADIO E W S '
1 1
I am nclined o think hat he how-
ing
ere
is
not
such s
hould induce
th e court
o
depart ro m he rotec-
tion
f
hat
ule, here
eing
ere o
showing
f
ormer alidation f
this
atent,
or,
o
y
ind,
ny
such
eneral
ublic
ecognition
f
ts
validity s
ould
eet h e ecessi-
ties
of
th e court
in
he exercise
of
its
discretion n avor
f
granting
n
n-
junction. ut
s
ave
oubtless
indicated y my uggestions o
oun-
sel or efendant
n
y omments
upon ome
eatures
f
h is
howing,
there
as
een
ade pon
y
mind
a ery npleasant mpression
s
o
th e
haracter f
ome f he
ircum-
stances nder
hich
he efendants
have
initiated
nd
practiced
th e
rights
they
assert
o
he
evice
omplained
of.
t
may
e
hat
heir
laim s he
result
f
erfectly
honest
iscoveries
by
h e
defendants
wh o
have
put orth
this lleged nfringing
nstrument.
N ow
that th e
aspect
of
the
showing
here
n
he
part
f
h e
laintiff
as
not o my
mind
een
ufficiently
met
and issipated y h e efendants'
showing,
nd
hile,
or
he
easons
stated, o
ot
hink t s
ase
or
an
njunction,
do
think
that
th e
case
is
proper
one
o
require
he
defend-
ants
o
urnish
n
ndemnity
bond
o
th e
laintiff,
at east
ntil
uch
im e
as
the
ase
nder ubmission
n
ew
York ay e
etermined,—that
hey
will espond,
hould
heir evice be
declared
an infringement, in ny dam-
ages
hat
hey
may
ause
he
plaintiff
in
he meantime by
continuing o
ut
their
device
upon he market;
hat
s,
of
ourse, nless
hey refer
o et
an njunction ssue.
f
he efend-
ants
prefer
o
av e n
njunction
o
giving
ond,
ill
rant
h e
mo-
tion.
he
nly
ifficulty s
he
amount of th e ond. here as
een
no
sufficient
showing s
to
th e
extent
of
h e raffic. To
M r.
W hite.) o
you now anything
s
o
he xtent
of
heir
usiness?
M r.
White: o,
our
honor;
but
do know hat M r. Hyde makes all
f
his
ulbs
imself.
T he
ourt
to
M r.
Miller); ave
you
ny asis n hich
o
stimate
th e
extent
of
th e
injury
that
you
think
you ill
uffer?
M r. iller:
ur
ffidavits how
that
he
amage
s
ery
xtensive,
because
he ublications
f
dvertise-
ments
f
hese
evices
nd
heir
ale
have
een
ery xtensive.
n
one n-
stance
here
were
nearly
tw o
hundred
sales,
early
ll f h e efendants
devices, nd onsequently
he
ates
of
our
evice ere urtailed
o hat
extent,
and
would
efer
your
Honor
on hat oint o ertain dvertise-
ments.
ere
s
h e
Electrical
x -
perimenter"
and
n
age
28 2
we find,
" Ne w
rice.
etector Amplifier nd
Oscillator 5,25,"
ur
rice was 7.50
when h is itigation tarted. ow we
have
ad
o educe
our
rice.
t
s
signed at
th e
bottom "Audiotron
Sales
Company, an rancisco."
hen
on
another age
n h is
am e
magazine,
on
age
73,
we
ind
h e am e
hing.
"Improvement otice." t
ays t
s
an
mprovement,
ut
h e ut hows
that t s he ame evice.
Double
filament
5.50:
ingle ilament
4.00."
And h is
s
igned he
Pacific
ab-
oratories
ales
Company,
34
acific
Building,
an rancisco."
hat
s
M r.
oorhead,
he
ther
efendant.
After h e plit p e egan manufac-
turing hem
nder
he
ame f
h e
Pacific aboratories
ales
ompany.
Then urther
long, n
age
89,
we
find
nother dvertisement. Double
Filaments"
T h e Court; ell,
M r.
iller,
h is
doesn't
urnish
e
with
ny
dea
f
th e
emand
or
he
rticle.
hat
s
th e
emand?
M r. M iller: h , he
demand s
very
great.
he
emand
s
ostly or
amateur ireless
perators. hey
bu y
ne
f
hese
hings. hey don't
last
forever,
and they
have
o bu y
an-
other
ne. here
re
housands f
wireless perators. ll
f
hem ake
these apers
o
ee what
s oming
out
very
ay . poke with he
at-
torneys, or onferred
with
he attor-
neys,
n
egard
o
his
matter
in
ase
th e
ourt hould ecide hat
t
as
most
oo
tringent
ourse
o e-
quire ond, and h ey
aid
hat they
thought
h e bond ought to
be
$15,000.
Apprehending hat here ight
e
some
uestions
n
egard
o
h e
mat-
ter,
sked
hose
uestions
f
h em
and
hat s he nswer
h ey
ave.
think ond n bout h e um f
$10,000 would
e
about
he
ight
um
to ive, ecause
ou
an
get ond
for 10,000
ractically
s
asy
s ne
for
5,000.
hey
would
e
iable
n
th e bond
only
in case (he
court
should
find here was nfringement.
f
here
has
een
o
nfringement,
s
hey o
confidently assert,
h ey
won't e
ut
anything
xcept h e remium.
T he
ourt:
f
ourse
f
here s
no
nfringement
h ey
ould
e
nti-
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1 2
PACIFIC
ADIO EWS
tied to
recover
th e
amount
of
th e pre-
mium rom
our
lient s
roper
costs
r
isbursements.
M r.
White:
ou
would
av e
to
put
up
a
ollateral
ecurity to get
a
ond.
T o
ake
arge
iz e
ond
s
he
same hing
s
o grant
an
njunction
which
nderstand
he
ourt oes
not wish o o.
M r.
M iller:
bonding company
al-
ways
requires
some
ind of
a
uaran-
tee.
ou
an't
xpect onding
company
to
give
a
bond without some
kind
f
ecurity o
hemselves.
T h e
ourt;
re hese
arious
e-
fendants ll
ffending
n
h e
am e
way?
M r.
M iller:
o,
but
Moorhead nd
Hyde
nd Cunningham
re
ll
n
he
same
oat.
M r,
hite; o;
oorhead
ells
only he bulbs that e makes himself.
Hyde
makes
he ulbs or Cunning-
ham ,
T h e Court:
ell,
f
ourse m
bound y th e howing
as
o what he
situation was
at
h e
time
h e
suit
was
brought.
M r. White:
ell,
at
he
im e
he
suit as rought here was
o
on-
nection
etween
Moorhead
nd
Hyde.
M r.
iller:
h y. our
onor.
Their
own
ffidavits
how
hat
Moor -
head nd
yde
ere
h e oint n-
ventors.
I he
ourt: f unningham
ells
them
or
yde,
e
s
ort
f
ec-
ondary
nfringer.
M r. White:
r.
oorhead
ells
only
h is ow n ulbs.
yde
and
Moor -
head eparated
n
he
pring
of
ast
year.
M r.
lum: ay
ay ew
words
your
onor,
n
egard
o
he
ther
defendants?
M r.
iller
to
M r.
lum):
as
just
oing
o
ake
hat
p
ith
h e
court.
To h e Court): n
egard
o
th e Hallcr
Electric Co.
and
G.
F .
Hal -
ler, r. lum
ere
epresents hose
tw o efendants. hey
av e
ittle
retail tore own ere n Market
t.
in
hich
h ey ell lectrical ppli-
ances, nd mong
other
hings
h ey
have
ecured
hese ulbs
nd
old
them, nd or
hat
eason
h ey
re
joined
n
he
uit:
but
nderstand
that
h ey
av e
iscontinued
elling
th e
ulbs ince h is uit was rought,
and hat hey
do
ot
ntend
o
ell
an y
more
f
hem ntil h is
matter
has
been
etermined.
hink hat
as
to hem mall ond, say
in h e sum
of
500,
ould robably over
h at
th e
ourt
ias
in mind. ut
s
o "
the
other
efendants, oorhead, un-
mngliam nd
yde,
nd he udio-
Iron ales
Company,
hink hat
h e
bond
gainst
hem
ought
o
e
n
sufficient
amount
o
show
hat
h is
s
really
erious
atter
nd
ot
mere atter f aper nd
nsignifi-
cance.
nd
hink hat
ond
f
$10,000
ould
ot e
xcessive,
e-
cause
eally think that we
have
us-
tained
more amages h an
hat.
M r. White:
f the Court lease,
s
showing
h e
isposition f ounsel
c
ask or
xcessive onds,
ill
ay
that n
he
herman Clay
ase
oun-
se l
sked
or ond f 00 ,000 ol-
lars,
nd
our
onor
ranted
ond
of
$5,000.
M r.
M iller:
ou
an't
raw
nalo-
gies
f
hat kind.
1 lie ourt:
uppose
ounsel s
merely eferring
o
he eneral en-
dency
f
attorneys
o
xaggerate.
M r.
iller; urthermore,
ounsel
is
wholly
mistaken
n egards
o
ns
facts.
onsented
o
h e mount of
th e
ond
n he
herman
Clay
Com-
pany case. he case where he $500,-
000
ond
as
sked as n he Co-
hmibia
Graplioplionc
ase.
M r.
White:
hat
s
ll
he
ore
favorable o us. because the Columbia
Graplioplionc
ompany
s
arger
company
an d old millions
of
devices,
and
n
hat
ase your
Honor nly
e-
quired a bond
f
$5,000. s I
ay
this
is
mall
usiness
arried
n y
Moorhead nd Hyde.
i
he
Court: ill
equire ond
at he ands f M r.
Hyde
n he um
of
$4,000,
an d lic
am e in
h e
ase
f
M r.
oorhead;
nd
rom
r.
un-
ningham
a
bond n
he
um
f
$1,000.
1
on't hink he ther alls or
bond,—that
s
he
allcr.
M r.
iller; uppose h e rder
will
e
n h e sual
orm.
T h e
ourt:
nless h e onds are
given
ithin ertain
eriod, n n-
junction will ssue.
M r. hite: sk
hat hat
eriod
be
easonable
ime—for
ive
ays.
T h e Court: ery
well.
M r. Miller:
n
egard o
Cunning-
ham,
would
ike
t
nderstood
hat
if an
obtain
ata
howing
that
our
damages
will
be
much
arger than he
amount
f
he ond
s
ixed y he
court, that may make a motion hat
th e
mount
of
h e
ond
e ncreased.
M r. White; hat
s
ouble
iabil-
ity,
unningham
imply
andles
he
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PACIFIC
ADIO
EWS
1 3
bulbs made by Hyde, nd
yde will
be nder
arge
ond.
T he ourt: hat ay e nder-
stood
as
to
all the
defendants.
f you
can
furnish
me
with
data
showing
that
your
damages
will
not
e
overed
by
th e onds
s
ixed,
will ntertain
motion o ncrease
he
everal
amounts.
Since he bove ecision,
De or-
est
as withdrawn he
riginal
om-
plaint
n
hich
e lleges nfringe-
ment
n
ll even
atents
nd
as
filed
ew omplaint,
n
hich
e
asserts nfringement n ne
atent
only.
ad
h e
ase
een eft
n
he
original orm ome ery
nteresting
questions
would
av e
een
iscussed.
FIven
s
t
s,
a
very elicate point s
to
e
ecided,
hat s
h e ifference
between aseous edium
nd
n
Electronic mission.
e
Forest
ays
in
h e atent po n hich
e
laims
infringement,
The
bjects
f
my
n-
vention are
o
ncrease h e
ensitive-
ness
f
scillation
detectors
ompris-
ing
n
heir onstruction aseous
medium
y
eans f
he
tructural
features
nd
ircuit rrangements
which re hown erein."
In
he
lectron elay
we laim
modification f h e ure electron
ur-
rent
lowing
between
he
ot
athode
and he
elative
old
node
by
means
of
rid
nterposed etween he
cathode
nd
node.
T he
ifference etween
he Audion
as atented y e
orest nd he
Electron
elay
an
e
emonstrated
practically
n
h is
manner:
If
a
De Forest Audion is exhausted
to
th e
degree
of
vacuua
o
that which
th e
lectron
elay s arried, he re-
sult
s hat he Audion s
o
nsensi-
tive that
it
may
be
called
in-operative.
T he ame applies
to
the Electron R e-
lay
h en
xhausted
o
he
imited
degree o
s
o rocure aseous
medium
s atented
y e orest,
th e Electron elay
n
hat
case
being
in-operative.
W e
can
produce
any
number
of
R e-
lays hat isplay
ractically
he ame
operating
haracteristics. his
s
impossible
with
h e udion.
In he
lectron
elay we ave n-
corporated etals which nvolve h e
theory f
hoto
lectric ischarge.
W h a t
part
h is
discharge lays
in
h e
operation f
h e ube
s xceedingly
complex nd ather entative. ut,
if
he late
nd
rid lements re
manufactured
f
other materials
hat
occupy
ifferent
ositions
n he
Electro-Chemical eries,
reat
if-
ference n he perating
haracteris-
tics
s
bserved.
There is no doubt that
the
Electron
Relay
nd
he udion
iffer ssent-
ially n
h e ode
f
operation,
ut,
it s
elicate
matter
o
ecide n-
asmuch
s
we
an
detect the
electron
only
y h e ffects roduced y t.
RADIO CONSTRUCTORS
LEAVE
M A R E SLAND
T h e
radio
crews
amed
for
installa-
tion
f
he ew
juipments
at
oint
Loma nd ureka aval adio
ta -
tions will
eave
Mare
sland
ovem-
ber
7. en
en
ill e ent o
equip th e Pt. Loma station, while
ive
will
be
sent
o
Eureka.
Among
he
ngineers
ppointed
o
install he
ureka et,
s
r.
.
.
Hubbard, ormerly f
he
arconi
Construction
epartment
n
ax
Francisco
nd
ho
as
een
n
he
employ
f
he
are
sland
adio
Laboratory
or
many
months.
EXTRA
COPIES
OF
THIS
M A G A Z I N E
Extra
copies can be
purchased from
th e
ublishers at 0
ents
per
copy.
Only
a
very
limited umber emain
on and
nd
ou ill ave
o
ct
quickly f ou
ish
o
btain xtra
copies
f
this ssue.
All subscriptions
will ereafter
start
with he urrent ssue; o ubscrip-
tions will e tarted
with
ack
um-
bers.
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Sealing
ke Radio
of
Belligerent
Merckantmen
B y
V .
L.
Woolman, lec.
st
C.,
U. .
.
Th e
ethod
f
caling
he
adio
sets
n
h e hips
of
he elligerent
nations when hey enter h e harbors
seem
o e
ittle
nown
ven
mong
th e
operators
of
our
coast. his
arti-
cle
will outline the duties of th e oper-
ator n
neutrality
uly.
T o reserve
ur eutrality very
ship elonging o h e elligerents
M r . . ..
\
.uilman
at
he
ey
f a
Radio
et lioard
ne
f
fm-le Sam's Warships
must
e oarded mmediately n
ar-
rival nd
h e
adio
ealed
n laces
where
it
would
be
impossible
to
either
receive
or
ransmit without reaking
a eal; h e
enalty
f
which
s ery
severe
nd
ight
n
xtreme
ases
forbid h e
learance
f he essel
at
fault.
During th e
time
th e
writer
has been
on
eutrality Duty only
Japanese
and
British
essels
av e
rrived
n
an
Francisco;
lthough
ne erman
steamer, he Serapis." as een n-
terned
ince
h e
utbreak
f
h e
war.
The manner
in
which
h e
apparatus
is
sealed
must
of
a necessity
vary with
th e
ake
f
h e
ets.
here
lso
seems
o
e
difference
n h e
meth-
ods
f
h e
fficials
of ew
York
nd
those
of
this
coast.
For
instance
when
a
essel nters ew ork arbor
t
is
oarded,
h e
aerial
owered,
h e
i-
ta l parts
of th e receiver
and
ransmit-
ter ealed,
and
he
ffice
tself ealed
against admittance. n S an Francisco,
which
ery
ortunately
s
ituated
ar
from th e present
scene
of warfare, th e
apparatus
s
caled
s ecurely;
ut
th e aerial
is not
lowered or
is
it often
found
ecessary to
ea l
h e office.
T he
ritish
essels
which
av e
n-
tered
an
rancisco
ave s
ule
carried some style of th e
ld
Marconi
set.
although
ew arc
roud
osses-
sors
of an old
style
Telcfunken
equip-
ment.
he sealing of th e
ritish ves-
sels s
sually
ery
imple s
hey
carry heir
otor-generator,
rans-
former.
park ap ,
ondenser,
he
aerial onnection nd
ll
pare arts
in
mall loset.
he
erial
s
is -
connected nd
grounded, th e motor is
disconnected
r
hort-circuited,
nd
both ets
of
ead phones
re laced
inside he loset
nd
h e
oom
s
sealed.
The
Japanese
vessels
carry
a
system
which hey
laim
or heir wn
nd
is
known as
h e "Tcishinsho System."
The
erial
onnection
escends
hru
th e
oof
f
h e
ffice
hru
eavy
porcelain
nsulator
nd
s
onnected
to h e
ending nd
eceiving
witch
by
a
eavy
brass
rod
which
s
remov-
ed nd
h e verhead onnection
scaled. he
ransformers
rc iscon-
nected nd
hort-circuited
nd h e
primary
of
h e eceiver
s
rawn out
as
f
or
n
xtremely oose
oupling
and he ead phones
ealed
o h e
primary
n h is
osition.
W h e n
h e
ealing
as een
om-
pleted
t
s
nspected y h e
eutral-
ity
fficer
ho
s
n
fficer n h e
United
States
avy.
he
ship
is
also
boarded
nd
nspected
at
nexpected
periods
y h e
Neutrality
Officer.
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TKe
End
of
ke
Bear
B y
H . W.
Underwood
• •
'
A
GIANT
COMHKR
W RE A KI N t
Amidships,
ust
here h e etal
keelson lakes th e
strain of
th e
engines
and
oilers, h e Bear" roke n wo
on
ov. 6th, ccording o onfirmed
>.v 14A
.
.\i
<
HIGH AN D DR Y
dispatches ro m ureka.
This
topped
very suddenly a promotion scheme
fo r
th e
alving
of
th e
vessel.
he
"Bear"
i
AVOC
WITH
H E
BEAR"
ran
ground
ear
ureka n une
14lh,
916, t 0:22 .
.,
hus dd-
ing
nother isaster
o
h e lready
overcrowded is t f
acific
oast
tragedies.
'The irst
distress
ignals
ent
ro m
th e essel
were
icked p y
Opera-
to r
W illiams at
h e
ureka
Marconi
station.
he
operators
on
he
Steam-
er Grace
ollar"
nd he . . .
"Oregon"
lso
eard
h e
all
or s-
sistance
nd
at
nce
tarted or h e
scene f
isaster.
ull
ccount f
th e
wreck
has
already
een
ublished
in
arious magazines but little,
f
any-
thing, was aid
egarding
h e alving
operations hat
ook
lace
uring
he
previous
months.
arconi
Operators
Grabow
nd
oods,
f
he
Bear,"
returned
o an rancisco. he
wrecking teamer
laqua"
f
he
Union ron Works was
ent
north
o
carry
out
he alving
operations.
As
s
lways
h e
ase,
h e ncident
was
oon
orgotten
y
h e
eneral
public
and
but little
attention
was
paid
to
th e alving
operations.
r.
H .
W.
Underwood as
ssigned o he
"laqua"
which
eft
an
Francisco
on
th e
night
f
June
5th
nd
rrived n
th e cene f
h e
wreck
n h e morn-
ing
of une 7th. o im e was ost
in
aying
h e
ooring
nchors
nd
placing
he owing
ppliances
board
th e
"Bear."
fter
en
ay s
f unsuc-
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16
PACIFIC
ADIO
EWS
cessful fforts,
during
which
im e
h e
sand
hoaled
p
o eight f en
feet
n h e eaward ide f h e hip,
th e laqua"
was
rdered
o
eturn
o
S an
rancisco.
On
une 8 th he
alvage
pera-
tions
were esumed
po n
he
rrival
of he
ritish recker, Salvor" f
th e
ritish
olumbia alvage
om-
pany.
Upon
h e
arrival
f
h e laqua" at
S an
rancisco, r. nderwood as
assigned to th e "Bear,"
traveling over-
land nd
e-installing he
quipment
which
ad
been
emoved
n
h e
mean-
time.
e
rrived
t
.
m.
n
uly
7th
and
ad
h e
main
et
in
operation
at :30 . ., h is eing
n
ccom-
plished eat f o
ittle
mportance.
Although h e
water
had
looded
the
engine nd boiler oom
o
onsid-
erable
epth,
t
ad
ot yet eached
th e
ynamo
room
r h e onkey
boil-
er .
hus
th e main set was placed into
immediate
peration
nd ommunica-
tion
with
ureka
was
nce
more
s-
tablished.
As
he
ureka tation s
ituated
but
5
miles
ro m
he wreck,
t
was
unnecessary o se h e
main
et
nd
for h is eason h e uxiliary et was
resorted
o
nd
endered
atisfactory
service fo r many weeks.
n
h is
man-
ner t was nly
ecessary
o
un he
ship's
dynamo
every
ten
days
in order
to
e-charge
he
torage
ells.
he
traffic with the
Eureka
station
and th e
steamer Salvor"
an
nto
h e
hou-
sands f ords ac h onth ut o
delay
or
rouble f any
ind was
x -
perienced
with
he spark
oil
or
other
apparatus.
A
ew words n egard
o
he al-
vage operations
would
probably
prove
interesting o
great
many eaders.
In h e
ase
f
h e "Bear"
hree
arge
anchors
ere
laced
pproximately
1,500
feet
from h e
ship
and ro m
one
to
wo undred eet art.
arge
steel owing
ables
ere ed
ro m
each anchor
o
he
tern
of he
h ip
and
hence hru ystem f locks
and tackles
to
he
team
winches. An-
other teel able was ttached o
he
port bo w and hru lock nd ackle
to
a
large
donkey
engine
on th e
beach.
On
account
of
th e
heavy
swells
which
arc
o
ommon
n
he
endocino
coast,
preparations
for
heaving
on he
numerous ables were not ompleted
fo r nearly
tw o
months,
it being neces-
sary
to
await
th e
igh
ides
and om-
plete
h e argo ischarging.
With
he ombined fforts f he
"Salvor" and wrecking appliances, h e
vessel
as
oved
ut
wenty
eet,
th e
sand
soon
anked
th e
ship
in
such
a
osition
hat
h e
was
igh
nd
dry
on
h e
each.
he ext attempt o
float th e "Bear" was also unsuccessful,
large
an d
umps
eing
mployed
o
wash
h e an d way
ro m
he hip.
T o cap th e climax a heavy nor-wester
se t n n h e
night
of
Sept.
0 th
nd
obliterated three weeks'
work
in
a
sin-
gle
ight. ourteen ays ater h e
powerful eas ounded he
h ip
with
such
errific
orce
hat
ole
wenty
five
eet by twelve
eet was
orn
nto
th e
lower
old
near
th e
ngine
oom,
th e
an d
uickly ashed
n
nd
ll
means
of
aving h e h ip were
ban-
doned.
A ireless
operator's ife
board a
wrecked h ip
s
ot s
astidious
as
it
would
probably
appear,
but to
those
wh o
are
willing
to
isregard
uch
it-
tle
nconveniences
s
aking
our
ow n
unk,
leaning
your
oom, ook-
ing
part
of
your
meals,
packing
water
up
he many
ompanion
ways, opy-
ing press
during
th e wee
hours
of
the
morning,
nd
eing
llowed
o eave
th e ship for
only tw o hours daily, and
trying o walk n
ec k
ith 4
degree is t
here
re
any ew nd
varied
xperiences o
be
gained
while
doing
alvage
work.
T h e
extreme
ospitality
of the
peo-
ple
n
h e icinity
of
he wreck will
never
e
orgotten s
ell
s h e
many
appy
ours
hat
ere pent
with
he most
congenial re w
imagin-
able.
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PACIFIC
ADIO
EWS
1 7
A M E R I C A N S
N
OKYO
EN D
WIRELESS GREETINGS TO
PRESIDENT WILSON
T he
an
rancisco-Japan
ireless
service
was
stablished
n
he
morn-
ing
f
ov.
6th,
y
he
arconi
Wireless
Tel.
Co. essages were ex -
changed
t
even
'clock,
acihc
Time,
avorable
tmospheric
ondi-
tions
prevailing. message of greet-
ings
was
ent
ro m
resident
W ilson
to
h e
mperor
f Japan,
ffering fe-
licitations on he
ew
means
f
om-
munication between
he tw o countries.
T he
Marconi
tations
at
M arshalls.
near olinas, at
ahuku,
Hawaii, nd
Funabashi, apan,
ere
sed
or
h e
initial
ervice.
he message
was e-
layed
by
th e Hawaiian
station
but it
is
expected
hat
irect
ommunication
with he apanese tation s nly
matter of ime.
r.
G.
. DeSousa,
Traffic
Manager
of
the
Marconi
Wire-
less el.
ompany,
nd
r.
. .
Ginman,
General
Manager
f
h e
a-
cific
Coast
division,
supervised he
in-
auguration f h e ervice.
Jiro
anaka,
irector
eneral oi
posts
nd
elegraphs n apan, nau-
gurated
h e
ireless
ommunication
from
h e apanese
tation
y
sending
three messages o he United States
via h e M arshalls
tation.
he wire-
less
elegraph
lant
sed
n
ending
messages
ro m
he
Japanese
ide
was
erected rimarily or h e se f he
Japanese
avy
ut
t
s
oped
y
Japanese
fficials hat egular ound-
the-globe ommunication ill e s-
tablished
at
the
conclusion of th e war.
A
message of greetings
to
President
W ilson was
ent
by
h e
argest
gath-
ering f
mericans
hich
as
ver
assembled
n
okyo. he
eeting
was
eld
o
elebrate
he
pening
f
th e
ew
ommunication
ervice, he
message
o
h e resident
xpressing
th e
esirability
f o-operation
e-
tween
h e wo
nations
fo r
the
promo-
tion
of
ommerce
nd
ightening h e
bonds of friendship.
INSTITUTE
F ADIO
NGI-
NEERS
RGANIZES AN
F R A N C I S C O
R A N C H
At eeting
f
he
nstitute
f
Radio
ngineers
eld
n
he
Mechan-
ics'
uilding
n
an
rancisco.
ues-
day
vening, ov .
st,
t
:30
o'clock,
h e
ecessary teps oward
organizing
an
rancisco
ection
of h e
nstitute
ere
aken.
Announcements
o
h is ffect
were
sent
o
ll
members
esiding
n
an
Francisco nd icinity, equesting
large
ttendance
n rder
hat
h e
local
ranch
ould
e
rganized.
T h e
ames f 3 5 members re ec-
essary
n
order
o
organize
ection,
th e
full
number of endorsements
were
received
nd h e rganization f h e
section
ecame
eality.
M r.
.
ord reaves, ocal
.
.
Radio
nspector,
cted s
Secretary-
Treasurer, hile r. W.
.
ans-
corn
f h e ational adio
Telephone
Company
filled
the
office
of
Chairman.
An
lection
f
fficers
as eld.
M r.
.
W. anscom eing
lected
Chairman or
he
eason,
hile
r.
V. ord reaves
was
lected
ecre-
tary-Treasurer.
M r. . G. Aylsworth, f
he Ayls-
worth
Agencies n h is
ity,
was h e
successful
andidate
or
he
xecu-
tive
Committee.
It
as
ecided
hat
eetings
re
to
be
eld
monthly
n
h e Mechanics '
Building,
h e eeting all eing t
th e
isposal
f
h e nstitute
without
charge.
T he
onthly eetings re
o
e
held
n he
uesday vening
f
h e
month
earest
he iddle f hat
month. nnouncements
to
h is
effect
will
e
ent
o
members
monthly.
For
he
onvenience
f
embers
who
eside
n he ay Cities
nd
are
unable
o
e
resent at h e ppointed
meeting
our,
rrangements av e
been ade or inner
ervice
n h e
clubroom.
(Continued
n
age 8 )
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Spaskes
of Static
MALICIOUS
NTERFERENCE
(From
an
Amateur's
Viewpoint)
There's
a
station
ut
of
Crocker
Tract
that
holds the air all night,
H e always tells
h e
kids"
o break
and
early
tarts
a
ight.
He's
lways
starling rouble, e ever racks mile.
H e tells
you
with h is
furious
spark,
o
keep
out
for
a while.
T h e
amateur
s
rightened
tiff,
and
ashes
for
h is
ey,
"O.K., O ld Man", he answers, "A good boy I
hall
be".
T he
Commercial
M an
forgets th e
days
when h e once was a
H e
ever
thinks
of
looking back,
for
he's
a
grown
p
man.
'ham"
There
used
to
be
a
im e
when
he
was
once
a
kid,
N o better than
h e
est
of
us,
malicious
things he did.
H e aughed nd elled uite oudly when e was
old
o uit,
H e
kept
right
on
a-sending
with
h is
sassy
little
"mitt".
And
ow
he
often wonders why
the kids o as
they
please,
They
keep
on
nterfering,
like
a
bunch
of
busy bees.
And when
h e
asks them
fo r
their
call,
they
jump
right on their
key,
They
ell
h im uite
olitely,
"M y
all
s
.
V ,
D."
»
IDA/T
nuth-
C
IN
©
€>
COMMERfl
IAL STATION)
T H i O
BSIILT OP N T K R P K R E N C E
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PACIFIC
ADIO
EWS
1 9
JOHN H A M M Y ' S FIRST C O M M E R C I A L EXAMINATION
H e
sat
before
h is
tuner,
a stogie in
h is
mouth,
T he
foncs
lasped
ightly o is ars, istening o he
outh.
H e
copied
Point
Arguello,
NPL
came
strong,
B ut
Johnny's
yes grew heavy and e slept right
n
long.
H e
ad
a
dreadful
adio
Dream, th e kind
hat ne'er comes
true.
"To the Custom House 'll o," ays h e, "and how what
an
o."
"The irst Commercial Ex 'll ake, 'm
ure
cannot
ail,
T he
ercentage
hey
will give
me
will
make h e
est
ook
ale.
A reference book was opened, its
contents
read with
care,
"I
know that
dope,"
he
shouted,
as
h e
rose
up
from
h is
chair.
A axicab e
mounted,
he
Custom House
is
oal,
"Stop own he treet," e rdered, close o hat wireless
ole."
T h e
Taxi
Driver
saw
th e
pole,
and
the
Custom
House
white
walls,
"Two dollars,
lease,"
e
murmured,
but
ohnny Haramy talls:
"I
cannot
pare
t,
river, ave but ifty ents,
The
Notary
Public must
pa y
fo r
legal documents."
"But listen, T ax i
Driver, the bill
hat
hall
ay ,
Will
bringyou more than
what
you
ask,
some
bright old Summer
day,
A millionaire I'm bound to
be,
brass buttons I
hall wear,
Enormous
pay
I
hall
receive,
your
bill
'll
pay
uite
air."
H e walked into
the Custom
House,
and questioned th e
Director,
"What
levator
must
ake
o
h e adio
nspector?"
"N umber
our,"
e
houted;
ohnny
rotted
n,
H is
face
grew
white with
fright,
as th o of
some great
sin.
T he
nspector's
office e
entered, with
xpressions
f despair,
"A n pplication lank,"
e
whispered, s e at own n hair.
His
excitement
grew intense,
his
face grew aler et,
T h e
pplication inished,
h e peed
est e
must
et.
T h e
nspector
viewed
im
iercely. Look
here, you Ha m , e aid,
"Twenty
words
I'll send
you,
to
copy in
your
head."
"M y
nly means
of
copying,"
aid ittle
ohnny Ha m m ,
"Is
on a piece
of paper, that's th e only way an."
"Don't
talk so
much,"
th e
Inspector
said,
as
he
grasped
the
buzzer
key,
'If
you have
your
doubts
of passing th e EX ,
at
school
you
ought to be.'
John
Ha m m y trembled fiercely, h is end
ad
ome at
ast,
"I'm
oing
home
to
study
first,
fo r
another
chance
'll sk."
"Three
months
from
ow
'll
ome
gain,"
e
rembled
s
e
poke,
H e
left
th e office in a hurry,
h is
heart
was nearly broke.
"WAKE
UP",
somebody
shouted,
as h e tumbled ro m
is
hair,
"It's time
or
you
o go to school," said
a
voice
ro m
up
h e
tair.
B y "ONE WHO N O W S . "
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20
PACIFIC
ADIO EWS
v
.
r<
j
T
? .»
Wm
THE
"PROVIDENCIA"—"HUMBOLDT"
DISASTER
W
1
Ti
16
r^nrvu'"?
cco
"
nt
c
0f
he
Humboldt"
isaster
was
elated
y
r.
rint,
.„h
0y
ecretary-1
reasurcr
f
h e
an rancisco adio
Club
and
employed
by
he Haller-Cunmngham lectric Co., of
S an
rancisco
as
wireless
operator
board
h e
.S .
Providencia."
ormerly he Olson
nd
Mahony
he essel was
quipped with
4
.W . Hy-Tone
uenched
ap
transmitter
and
h e
tandard
cabinet
ype
HALCUN"
eceiving
et.—Ed.|
W 'e eft
an
rancisco on ri-
day, August
25th.
or
Fort
am-
hie,
Washington, to
load props'for
Mexico. pon
earing
ort
1 ownsend
he
eather
ecame
very
foggy,
so we
laid
n
that
port
from
.
.
ntil .
.
n
August
29th.
t
6
a.
m. we pro-
ceeded on our
way
o Port Gam-
ble.
he
eather
was
till
ery
f'JffS.v.
I
as tanding n he
fter
deck
hen
eard
hree
lasts
from
our
whistle,
and
he engine
bell
rang.
ooking forward I saw
the
Humboldt"
coming
hru
he
foR-
rasped he
ailing
nd
waited
or
her
to hit. t seemed a
full
minute
before
he excitement
happened,
ut
t
ast
he
ame
crashing into our
port
bow,
dent-
ing_
five
lates.
t
as
xactly
8
5
a. m. he
mpact
threw
he
'umboldt" apart rom s, only
to
ave
er come crashing
ack
again nto
our
port
ide, earing
off
the
guard.
1
he
ife
boats were
mmediate-
ly swung
out
and everybody was
ordered n
he
oat
eck.'
he
captain, ho
as
n he ridge
when
he ccident happened, or-
dered e o ind ut ow he
"Humboldt"
as.
alled
er
and
asked
how
hey
were
making
out. he operator on
he
Hum-
boldt"
WHX) aid e id ot
know
ow
hey ere, hat hey
h ad ll he ife boats swung out
and
or
us o stand by. e
also
asked
ow e
ere.
eplied,
saying
that
we
were
all ight and
would
tand
y.
eanwhile
ll
the boats
in
he
vicinity
were
ask-
ing
What's
up"?
We
swung around
and
stood by
for
about three
minutes,
when
the
captain
yelled
hat
hey
were
not
taking
ny
ater
nd
ere ll
right.
The
"Humboldt's" bow
was
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PACIFIC
ADIO
EWS
2 1
badly
damaged
and her stem was
completely
roken off.
She
proceeded o
Seattle
under
her
own
steam,
the "Providencia"
following,
s
onvoy.
he
"Humboldt"
as ound
or
Alaska
with orty passengers and
a
arge
mount
f
reight.
e
arrived n
Seattle
at p. m.,
and
after
wo
eeks'
tay
or
e-
pairs, proceeded o Port
Gamble.
LACK OF
FUNDS
PREVENTS
LIGHTSHIP
NSTALLA-
TIONS
(From
lie
,
.
Call")
The
nited
tates
ife
aving
service
and he
ederal adio
er-
vice
ill co-operate o eport by
wireless
he arrivals
of
ncoming
ships
off
he
heads and ave
he
customs and mmigration depart-
ments uch asted ime
nd
money
f
ongress
an
be ade
to see
he
economy of spending a
small
ppropriation
or
quip-
ment.
Congress ill
e
sked
t ts
next
session
o provide
money
o
install
nd
perate
ireless
plant
on he San Francisco
ight-
ship,
nd
o
nstall
eceiving
plant
n
he
eadquarters
of
he
radio
ervice.
Despite he se
f
ireless
these
days,
he
ime
of
arrival
of
incoming
ships is
uncertain.
Even
the
ig
assenger
iners
o
ot
arrive
as
predicted.
There
are requent imes when
the ntire
oarding
taffs
of
he
customs
and
mmigration
depart-
ments. umbering
ome
hirty
men,
limb
ut
f
heir
eds
half
our
head
f
he un
nd
get down o
Meiggs
harf, ans
breakfast,
t
aybreak
o
oard
an xpected
iner,
nly o
ait
anywhere
rom
wo
o ix
hours
until
t
eally
nters he
arbor.
Then here
re
hips
ithout
wireless hat
re
lways
ncer-
tain. ith ireless n he
lightship,
en
iles
utside
he
heads, a
essage
an
e lashed
in
hen
ny
hip
tarts
or he
Golden
ate.
his
ould
ive
an
our's
ertain
otice
f
ts
arrival.
The
ife
aving
ervice
ants
to
ut
lant n
he ightship,
but
t hasn't the money.
t has a
radio
utfit
n
he
ender
Se-
quoia,"
ut
here sn't
ven
fund o pay an operator, o t s
idle. he
opinion
is
that
the
pro-
tection
o
ife
which
he
wireless
would
give
would
alone
be
worth
the
expense.
RADIO
STATION
AT
THE U .
C.-
WASHINGTON
FOOTBALL
G A M E
Under he upervision
of
h e Uni-
versity
f alifornia adio lub
complete
ransmitting
nd
eceiving
equipment
was et p n
he
ield
at
th e
ootball
ame
eld
n
erkeley,
Calif., etween h e
niversity
f
Washington
nd
he niversity
f
California, n ov. 8th.
T he
ransmitter
used
onsisted of a
five ilowatt, ixty ycle quipment,
with
ixed
park
ap ,
operating
n
five
undred nd
hirty
eters
the
standard
press wave
length).
he
re -
sults of each
quarter's plays
were
sent
out
broadcast,
and also the
inal
score
at
he nd
f
he
ame.
he
ignals
were icked p y any perators,
who were nable
o
attend
he game;
most
operators
within
wo
undred
mile range
eing able
o
pick
h e
ig -
nals up . he
apparatus
was
operated
by
essrs. .
. undt,
.
.
Maynes,
G.
F. McMullen and
W.
Le-
land.
THIS
A G A Z I N E
WILL
BE
N
S A LE
on
h e
ifteenth f h e
month
n
an
Francisco
nd
will
e
eady or
is -
tribution n
or
about
he
1st
f
he
month n
astern
ities.
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22
PACIFIC ADIO EWS
pacific \a6lo
The
irst nil nly ireless
Magazine
ublished
n
th e
Pacific
Coast
H .
W . DICKOW, Editor
P . . E N N E R , usiness Manager
$ 1 . 0 0 per
Year
n U.
S.
and
Mexico
$ 1 . 5 0 per Year I n
oreign
Countries
Single Copies, 0 Cents
Photographs, ood rawings
nd
articles are
highly
desirable.
Pacific Radio
ew»
5 0
Main
t.,
an
rancisco,
al.
Vol.
I
A N U A R Y , 1917
o.
EDITORIAL
The object and urpose of he
Pacific
adio
ews
as lready
been
placed
before
you,
and ittle
remains
to
be
said
on
this
subject.
As his
agazine
oes
o ress,
an
normous
mount
f
orre-
spondence
s
eceived
rom Radio
Engineers
rom
ne nd f
he
Pacific
Coast
o
the
other.
aith-
fu l upport s promised by hese
men and hey
ave
rged s o
make
the
Pacific
Radio
News"
a
monthly magazine, due to the fact
that
n
nlimited
upply f
he
most fascinating news is
available
in
his
part
of he country. he
more
hat
hey
ear
bout
his
publication,
he
ore hey
hink
of
it,
and
the greater support they
offer us. his is
what
we
need—
co-operation. We
need
the
assist-
ance of
every
adio
enthusiast on
the
acific
Coast.
he humblest
amateur may
be
n a
position o
support
us,
as
well
as
the
highest
class
f
adio
ngineers.
his
magazine
had
o
be published;
we
have easons or making
his
ib-
eral statement,
and
within a
short
time e ill ell
ou
ust what
our
reason
is .
his
great publica-
tion ill estore
he
ld-time
spirit
n
he
acific
oast o
surprising
egree.
he
ublica-
tion
s
ased
n
BSOLUTE
FACTS;
he tatements
ub-
lished
will be
authentic
n
all
e-
spects.
We ill
publish
ews hat no
other
adio eriodical n his
country an,
r
ill, ublish.
They
ave
easons
or
ot
ub-
lishing
certain
articles
which
may-
do hem
reat
njustice.
he
"Pacific
adio
ews,"
will
give
you
hese facts,
hey will
be writ-
ten so
that
everybody
can
under-
stand
hem,
othing
will
e
eft
undone
o ake his agazine
prove
ts
orth
n
he
ireless
field.
We ave epresentatives n
numerous
ities n he acific
Coast.
ur news will
not
be local
as
egards
he
city
n
which
he
magazine
s
published, uite
he
contrary,
e ill eep
ou n-
formed
f
very otable
tep
made
in
the radio
field
in this part
of
he
country.
y
so doing, we
are ot pposing
ny
xisting
magazines,
s
s
he ase ith
other adio ublications. he
news hat
his
ublication
ill
give
you
will
be
something
added
to what you ave,
t
will e
he
news
hat
ou esire ost,
e
can give t o
you, and t
shall
be
published n
an unbiased
manner.
The irst ssue
of
his
publication
may
ot
eet
he
pproval
f
most of
our
eaders, but
we
want
you o lace he tmost onfi-
dence
n
us.
I housands
of
adio
enthusiasts
were
rafted
y
ell
nown
radio
publication
some
years
ago,
bearing ame
imilar
o urs.
Perhaps thousands
of
enthusiastic
experimenters
nd perators
e-
ceived ut everal copies f his
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PACIFIC
ADIO
EWS
2 3
publication,
that
was the
last
that
was ever
heard
of
it.
e
may be
enforcing our principle a little too
strong
for
a
newly organized
pub-
lication,
but,
as
we
stated
before,
we
re
oing
o
ive
ou
he
FACTS
and
only
the
Facts. ew,
if
ny,
adio
ublications
ave
started n he ield with uch
an
interesting
uture
as
we
have.
The
San
rancisco
Radio Club
is
one of
the
best
organized
clubs
in the country,
and
it is this great
prganization
hat
s ublishing
the
Pacific
adio
ews".
e
therefore ave he
eputation f
every
member
of
he club behind
us, nd
e
an ssure ou hat
an
unlimited
supply
of
news can
be
urnished o our readers. ur
next
ssue will
contain a
number
of
articles
hat will et
he
great-
est Radio
F.ngincers
n his coun-
try hinking; et
hey
ill
e
written
so
that
everybody
can
un-
derstand
hem.
If we
eceive the support of the
required number
of
experimenters
thruout
he
country,
he Pacific
Radio ews" ill e ublished
monthly and he size
and
quality
will
row
with
urprising
peed.
We would ike o
have
you
bear
in
ind hat his ublication s
not
strictly
devoted
o
either
he
commercial
or
experimental adio
field, t ill e
agazine
hat
can
e
ead
ith
nterest by
ll
classes
f
adio
en.
ertain
existing ublications re
ar oo
technical
or reat
mount
f
radio enthusiasts;
others are ust
the
opposite,
far too
uninteresting
for
he
dvanced
lass
f
adio
men. ur agazine ill e
classed
with
neither,
our
principle
is decidedly different
and
the
only
way
o prove
his statement
s
o
have
ou
ead
his agazine
every
ime
t
s
published.
riti-
cism's will be plentiful as
egards
the principles
of
his publication,
and
n
order
o publish
a
maga-
zine hat will
eet
he
approval
of
every eader, we
would
be at-
tempting
omething
eyond
ur
means. e
will
always appreci-
ate uggestions,
we need
hem
n
qrder
o
lease
he
ajority
f
our
eaders,
nd,
herefore,
e
trust hat ou
ill
ot
ad
o
comment n
his
ublication.
Each
and
-every comment
will
be
considered,
he magazine will
m-
prove. and
inally
we
can publish
a eriodical hat ill
eet he
demand
f
lmost
very
adio
enthusiast n he United States.
EDITOR.
SIMPLICITY
Wireless
perator
board
h ip
places
ead
elephone
n nquisitive
passenger
and
says; Here, M r. rav-
elogue,
isten
o
ireless message.
Do
yon
ear that
weak
buzzing?
M r.
Travelogue: Yeah,
O h
Yeah,
yon
bet
o,
it
must
be
one f
those
Alaskan
tations
way
up
here
n
he
ic e
ields."
Ship perator, miling;
h y.
what
makes
ou
hink
o?"
M r. Travelogue: "Because h is spark
is
hivering
nd
rembling, hat
s
sure ign t
must
e
readfully old
up
here."
O LD TIMER RE-OPENS
STATION
M r.
.
. rnberger
of lameda,
Cal.. ill e-open
is
owerful
ma-
teur
tation
n
Garfield
Avenue
with-
in
a
few
days.
r.
Arnberger
is
well
known
among both
mateur
and
om-
mercial
adio
operators
on h e
acific
Coast
nd
is
tation s ithout
doubt
ne
f h e
eatest
nd
ost
efficient
n he
West.
is
all
s
"6FA."
CLASSIFIED
ADVERTISEMENTS
In he
February
ssue
we
will inau-
gurate he lassified dvertisement
Column.
ll
dvertisements
ill
e
published
t
h e
ate f
wo ents
per
ord
ith
inimum f
en
words,
including
address.
Forms close
on irst f month receding date
of
publication.
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TKe
Radio
Latoratory
of
lie
University
of
California
Ihe
cc
omp
an
ying
views
how
he
adio
apparatus
which
s
n-
stalled
n he
electrical
engineering department
of
he
niversity
ol
California, at Berkeley.
I
he
ransmitting
equipment,
as
hown
n
he photo, consists
of
two
separate and distinct units. he one
shown,
which s
of
modern
J-U?
6
'
consists
of
a
iv e W
0 0
cycle
uenched park ransmitter.
\\
ith the
exception
of the
generator,
which s a
iv e
kilowatt
65
volt
live hundred
cycle
Kilbourn
and
Clark
machine,
and
he
ive
kilowatt
open
core
ransformer,
he entire equipment was designed and
built
in
he college shops.
The generator, as above
described,
s
ocated
n
he
main
dynamo
room;
the
driving
power
being
a
25
HP.
D.C.
motor,
driven
rom
he
Campus upply,
which
also
upplies he ield xcitation urrent or
the generator. he motor
and
generator
are operated
by
emote
con-
trol devices
operated
rom he
tation
witchboard;
hus
he oisy
and
dirty motor
generator
is
excluded from
he
operating
room. he
current
rom
he
generator, broken y heavy
capacity
ey,
lows
thru
he primary of he
ransformer.
he
econdary
oltage
of
he
transformer s
1,000
volts.
he primary condenser'is made up
of
a
twelve
late eries
ultiple
onnected,
glass late ondenser
he
oscillation
ransformer
n se s built pon he general esign of a
magnified
loose
coupler.
he
primary
consists
of
ten
turns
of
/ ,
nch
aluminum
wire
wound
on
a
rubber
insulated mahogany
rame
twenty
inches
n
diameter. he secondary
s
made
up of
wenty
urns
of
^
inch
luminum
ire,
n
ixteen
nch iameter ahogany
rame
Two helices,
of the
spiral
pancake
type, make
up
the aerial inductance.
Ihe quenched gap, which s
of
a
modified
Telefunkcn
ype, was de-
signed.
after
much experimenting, n he aboratory. wenty
plates
of copper
alloy,
are
used
or
he gaps. bout
seven
or eight' gaps
n
series are used at most imes. he other ransmitter, which s
ot
shown
n
he photo, consists
of
a
plain wo KW 60 cycle
spark
rans-
mitter,
with
otary
park
gap,
giving
a
park
pitch
f
about
400
sparks
per second.
rherc
is,
at present, no provision made
n
he receiving
equipment
for
he
eception
of
undamped
waves, altho
ome
experiments have
been performed ith
ultraudion
eceivers. he eceiver nstalled s
made up of a Blitzen uner, with a galena detector, he signals rom
which are
amplified
by a
specially
designed
audion
amplifier. he n-
stallation
of an
ultraudion
eceiver is
contemplated
in
he
near
uture.
The aerial n se at he present
ime,
which s hown n hoto,
is
onstructed
f
our umber en
opper
ires,
n
ifteen oot
spreader. his
antenna uns
rom
he pole
hown n he photo
o a
nearby
building,
giving
about
our
hundred
and
ifty
eet
of
pread
to
the
wires.
The pole, which
supports
the highest end
of
the
antenna,
gives it a geometric
height
of
about one
hundred
and orty
eet.
he
free end being lower, the average
height
of
the antenna
s
only about
ninety
eet. ts
undamental
wave
ength
s
close
o seven hundred
meters.
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PACIFIC
ADIO
EWS
2 5
The ground connection or he tation s ade hru ix nch
copper
ribbon,
about No. 20 gauge in thickness, which is brazed o the
steel rame
of
he
building.
he
steel rame
orms a most
excellent
ground connection.
The
best
esults
obtained
rom he
station
were noted n he win-
ter
of
1914-13,
when a much
larger
and better antenna was
in use; this
antenna
ad undamental
f
bout 10 0 eters nd
n
verage
geometrical height
of
about 50
eet.
ignals were obtained
on
he
receiver
above
described, every evening,
rom ow
power German
sta-
tions ocated, espectively, n he Caroline and adrone slands.*
Altho these
stations
were
but
20 0 or 1 5 00 miles
apart, they experi-
enced
great
difficulty
n
carrying
on communication with each
other,
yet.
at
practically all imes both
of
hese stations could be copied
at
the
ollege tation, hich s ocated
bout
C0 0
iles
rom
hese
places.
Very
ittle ransmitting has
been
done
with
he
equipment, or t
was
not
desirable to cause
nterference with
nearby
stations.
ignals
were
once
exchanged with NAR Key West, Florida). o
sending
has ver
een
ttempted
n
he resent
antenna, ut ignals rom
spark
stations on both he
Atlantic
and acific Coast tations
come
in oud
and
clear.
ignals
of
easy eadability
have
been
eceived, on
the ultraudion
above
described,
rom POZ ami
OIU,
and most
of
he
Atlantic Coast
Arc
Stations
were
copied.
'Since destroyed,
ue
o
he war.
The
Aerial nd tathm
at
he
University
f Californiu
5 .W . 0 0
CYCLE
RANSMITTER
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adio
nd
Electrical uestions e
nswered
In
Tkis
Magazine?
We
hink
hat
h is
uzzling
uestion
has
een
olved
by
liminating
ll
uestions
nd
nswers
n
he
Pacific
Radio
ews".
h is
ay
e
omewhat of urprise
o
our
eaders,
but
we
av e iewed
he
uesfiions
ro m
ll
sides
and
finally
came
to
the
onclusion that
the
pace
n
this
agazine
an
e
better evoted
o
tartling
adio
news. et
his
not
e
iscouragement o
ou,
we
eel
assured
hat
ou
ill gree ith
s fter iving
he
matter a moment's
hought.
ic k p
wireless
or lec-
trical magazine, turn to the Query Department, read some
of
the questions
and
answers carefully, and then
form
your
opinion
f
his
ection
f he agazine. o ou ot
think hat most f
hese
questions
an e
nswered
by
consulting
ny
ood
ook
n
adio
ommunication?
Would ou
not
av e
our
r
ix
pages
f added interest-
ing news
in
your
magazine han a arge
umber
f ques-
tions
and
answers?
e
think
so , and
here
re he
facts:
Consider
he
umber
f
ueries
ertaining o erials,
wave lengths and range
records;
h ow many
of
these ques-
tions are atisfactorily
nswered?
ery
ew
ndeed,
s
th e U. . Govt. Asst.
adio
nspector, M r. .
W .
tone,
states.
ead is emarks arefully
and
hen orm our
opinion f
he
uestion.
[The
ollowing
omment
as
ade
y
r. .
.
Stone
t
a
pecial
meeting
f
he
an
rancisco
adio
Club.
e elivered
n
nstructive ecture n
Decre-
ment",
cknowledged
by
ll
members
s
he
best
ecture
on
adio Communication hat
as -ever
been
elivered
n
S an
rancisco.]
"The question
f
etermining
h e
xact wavelength
of
an
erial y athematical ormulas
r
easurements
other
han y h e se f a
vavemeter,
s
ne hat has
caused
reat
mount
f iscussion. he ractice f
determining th e
wavelength of an verage
aerial
by multi-
playing
its length by
3
and dividing th e
answer
by four,
is
erroneous.
"It
s
almost
n mpossibility
o
alculate he
wave-
length f
an
erial
unless t
e
ocated n
uch
osition
that o
bstacles
arc
n
he
icinity
f
h e
erial.
A ree
or
other tructure
lock
way will
av e
n
effect
n he wavelength,
h e
uy
ires, preaders
nd
even
he
ole tself
must ll e aken nto onsideration
when
uch
alculations
re
made."
Yes, here re umber f
ery
seful
nswers ub-
lished
to
ome
f the
uestions,
hey
re
f great
enefit
to
any eaders, ut oes his pply o all lasses f
radio
operators?
o, t oes ot.
he
uestions sked
originate
n
he xperimental ield nd are ent
by
men
who
want
advice
on
something
that can be obtained
from
most ny ood ook n adio ommunication. n
order
to
please
those readers
who
wish to
ask
certain
questions,
th e
roposition
as
een
placed
efore
the
an
rancisco
Radio Club's xamining
oard,
nd
ll
uestions sked
by
eaders
ill
e nswered
y
hese fficers
ithout
charge.
o
over
th e
burdensome
mailing
charges a two-
cent ostage
tamp
hould
at ll
imes
e
ncluded. ll
correspondence hould
e
ddressed
o he xamining
Board
f he . F.
adio
lub, 50 rederick t.,
an
Francisco, Cal.
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PACIFIC
ADIO
E W S ' 27
HANDY
NT
WIRELESS
?)
IA
ELE-
PHONE
On arty elephone ines t s
often esired,
s
s ell nown,
to
reserve
ecrecy
etween
he
people
using
he phone.
very
handy
and
nteresting
cheme
s
shown
diagramatically
n
he
ac-
companying
cut.
1
w
111
I
i
unless
y
emote hance e
knows
he
ode,
reat
uriosity
as
o hat s assing ver he
line. his
system
s
used
by
one
of
he
arge
ireless
ompanys
on
he
oast
o
end
essages
direct rom he tation o he
office,
t having
been
ound
hat
it
s
uch
ore
ccurate
nd
rapid
o
send he business in
his
way
han t s o carry
t
on by
word
of
mouth.
The buzzer
B
s controlled by
the switch
S,
inserted
n he bat-
tery
ircuit. cross he
uzzer
contacts
he eceiver
of
he ele-
phone s
connected.
his
circuit
is broken
by
a common
elegraph
key, .
o
perate he
utfit
close he buzzer switch, hus set-
ting he
uzzer nto peration,
then
end
ith
he
ey,
s
ou
would
do
under ordinary
circum-
stances,
nd
his
ill
esult n
signals
eing
eproduced
n he
receiver,
nd
n
he
eceiver
f
the
distant
phone. f
he
signals
are oo oud or comfortable e-
ception mall
ondenser ay
be
connected
n
he circuit
n
e-
ries ith he ey.
The
operation
of
such
a
radio
(?)
system ver ny hone ill e
of
considerable use
when
t
s de-
sirable
o
eep
ecret
nything
which
passes
between
he
parties
at
he
end
of he ine,
as
well
as
causing he ndesired istener,
A
APACITY OUPLED
E-
CEIVER
By
.
. McGown
A most nteresting
ield of
ex-
periment s pened o adio x-
perimenters,
who
wish
o
experi-
ment
ith
ew ypes f uning
devices.
The
Cohen
capacity cou-
pled
eceiver
is
a
most interesting
and
nstructive
ubject
or
e-
search
ork.
c
\7
*
^
j
J
T
°
1>BTECTOT
The
ircuit
sed, hich s
shown
n
he
accompanying
ia-
gram, s
almost elf
explanatory.
The ondensers, ,
u
and
m,
m^y
be
any
igh apacity aria-
bles
; it
is
desirable
that
cn and
C " >
shall have he ame capacity, al-
tho
this
s
by no
means
essential.
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28
PACIFIC
ADIO
EWS
The
riter
sed
hree
litzen
condensers n he
ircuit
hown.
The nductances L
and
> should
be
f
pproximately
he
ame
amount
f
nductance.
oils
about our nches n iameter,
wound
with No.
24 DCC wire o
a ength
of about
4 to 30 inches,
fitted
with
dead
end
switches will
be
found
very
efficient.
he
coils
need
ot
e ariable, f he
ser
desires nly o eceive n he
higher
ave
engths,
ut
s
he
only
hanges
n
ave ength
which
can
be
hen
effected
by
the
variations
of
he
condensers
his
does
not give
a
very
great
ange
of
wavelengths.
Using he
above
escribed ap-
paratus,
on an ntenna having
a
fundamental
of
about
0 0
meters,
signals
rom
he
German
stations
have een
opied
n he
acific
Coast; and Austin ultraudion de-
tector
being
connected
as
shown,
to
he oints arked
detector."
AMATEUR
ARTICLES
For the
benefit
of
our amateur read-
ers
we
will
ublish monthly a
ection
pertaining
to th e
onstruction
of vari-
ous
adio
pparatus.
These articles will
be
original
n all
respects
nd av e
ever
efore een
published
n
ny
adio
magazine.
M A R C O N I
UPT.
ESIGNS
M r.
G.
J. Jessop,
who
held
th e posi-
tion f
Marine
uperintendent
f
he
San
rancisco
ivision f he
ar-
coni
Company,
resigned
on ovember
ISth.
Th e ffice
s
eing
emporarily
ill-
ed
y
r.
orsman, ho ormerly
supervised
h e
Ocean
ireless
News" department
of h e
an ran-
cisco
ffice.
M r.
T.
M .
tevens,
f h e
Gulf
Di-
vision,
ill
ucceed
r. essop
s
Marine uperintendent.
INSTITUTE P
ADIO
NGI-
NEERS
ORGANIZES
SECTION
(Continued from Cage 7 )
A
ocial
et-together
ill
lso
e
held
at
various times.
n
ssessment
fee f
1.00 as
een
mposed
n
ll
members. he xpenses f he ec-
retary-Treasurer are
to
be
met
by
the
money
ealized
or
h is assessment.
Among ome f th e
members
pres-
ent
ere
r.
.
.
inman
f
h e
Marconi
o., r.
.
ratt
f
h e
Mare
sland av y Yard, rs .
.
.
De
ousa, raffic
anager
f
h e
Marconi
Wireless
el.
o.,
r.
.
Ilaller f h e lallef-Cunningham
Electric
o.,
nd
.
.
sst.
adio
Inspector
ayes.
A
copy
of h e ew adio Law
was
presented by M r.
G. S .
DeSousa,
same
being
ead
y
h e
ecretary-Treas-
urer, M r.
.
ord
reaves.
A iscussion
ollowed
h e
eading
of h e aw , h e mportant oints f
which
will
be
found
in
another
section
of
h is
magazine.
ATTENTION,
READERS
T he
rice
f h is
ublication
ill
be
ncreased
o
5
ents
er opy,
$1.50
er
ear,
aking
ffect
ithin
a hort
ime.
Send our ubscription n oday
at
th e
egular
ate,
o
ubscriptions
at
present
ate
eing
ccepted or more
than
a
erm f
ne
ear.
This ction as aken
n
ccount
of he ver-rising ost f aper nd
printing.
W e
will
uarantee
hat
magazine
of wice h e uality
nd
iz e
will
e
at our isposal when when he ew
rates ake ffect.
Better end
n
our ubscription
before he
ew
rices
ake
ffect,
ell
your
riends
bout
t
n
rder
hat
they
may
ake
dvantage
f
h e
ow
subscription ates.
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PACIFIC
ADIO
EWS
29
THE NEW PROPOSED
RADIO
ACT
(Continued
rom
age
)
only,
which
are
designated
n
he
license.
2—Station
n hipboard,
tation n
board
ny
essel ot ermanently moor-
ed.
tations
n
hipboard
nclude
a)
those
pen
o
eneral
ublic
orrespond-
ence,
and
b)
hose
open
to
limited
public
correspondence.
hip
tations
f
lass
(b)
ransmit
and receive public messages
to
and
rom
ertain
tations
only,
which
are designated
n
he
icense.
3—Commercial tation, and tation
used
n
he ransaction
f ommercial
business nd ot sed or he xchange
of
orrespondence
ith
hips
t
ea.
Commercial tations
nclude
a)
hose
open
o
imited
ublic
orrespondence,
( b > imited commercial
tations, c)
pe-
cial tations
or
ransoceanic
r rans-
continental
ommunication. ommercial
stations
of
class
(a)
ransmit and
eceive
public
messages
o
and
rom
certain sta-
tions
nly,
hich
re
esignated
n
he
license.
imited ommercial
tations
(class
)
re stations
of
private Interest,
and
arry n a
peclflc
ommercial
er-
vice r ervices efined
n
he
icense;
they
o
ot ransmit
ublic
essages
to.
r receive
hem
rom,
ther
stations.
Special
tations
of
class
c)
re
pen
o
limited
ublic
orrespondence r ot. s
stated
n
he
icense.
4
xperlmcnt
tation,
and tation
of
rivate
nterest
ctually
ngaged
n
conducting xperiments
or
he
evelop-
ment
of
he science
of
adio
communica-
tion
r
he
pparatus
ertaining
hereto.
5—Technical nd raining-school ta -
tion,
a land
or ship
station
of
private in-
terest
used
or
purposes
of
instruction
n
radio ommunication and
raining
opera-
tors.
6—Amateur tation, a
and
tation
f
private
nterest
ot overed y
3) .
4),
or
5)
f
bis
ection, nd
ot
perated
for
inancial rofit. mateur
tations
include
a)
eneral amateur stations,
b)
restricted mateur
tations,
hich
re
within
ive
autical
miles
f
a
Govern-
ment
tation, c)
pecial
mateur
ta -
tions,
he
operation
f which seems
like-
ly
to
result
in
some substantial
benefit
to
radio
ommunication.
7—Government tation, tation
on-
trolled
nd
perated
y ny epartment
of
th e
Government.
See.
.
othing
n
h is
Act hall
e
construed
o pply o he
ransmission
or
exchange
of
radiograms
or signals be-
tween
oints
n
he ame tate, f aid
transmission or exchange
shall
ot inter-
fere
with
he
eception f
adiograms
or
signals
rom
eyond
he
urisdiction
f
th e said
State,
r th e effect thereof
shall
not
extend beyond said jurisdiction.
Sec. . o
adio
tation
ther
han
those
elonging
o
r perated
y
he
United
tates
hall
e sed
y
any
er-
son
within
he
Jurisdiction
f he United
States to transmit any
adiogram
y he
apparatus
and methods of
adio
ommu-
nication, xcept under and
n ccordance
with
a
station
icense
issued
by
he
Sec-
retary
f
ommerce.
ny
erson
ho
shall
perate
any
adio
tation
n iola-
tion f this Section hall e unished y
a
ine
ot
xceeding
ive
undred
ollars
for
he irst
ffense,
nd
y
ine
or
exceeding
ne
housand
ollars, r m-
prisonment
or ot
more
han
ne ear,
or both, or
ac h
offense
hereafter:
na
any
adio
pparatus
perated
n
iola-
tion
f
his
ection
hall
e
ubject
o
forfeiture.
Sec.
. he
ecretary
f
ommerce
shall
ix
he
ates
harged
y
ll
i-
censed
tations
pen
o
ublic
orre-
spondence.
The eads
f
Government
epartments
having urisdiction ver overnment
land
tations
nd Government
hip
ta -
tions
hall,
n
heir discretion, o ar as
it
ay
e
onsistent with he
ransac-
tion f
Government
usiness,
pen
uc h
to eneral ublic usiness, nd hall ix
the
ates
or
such service, ubject to he
control f
such
ates
by
Congress.
uc h
executive
heads
shall
arrange, each
in
his
own epartment, nd
or
tations
nder
liis
own
jurisdiction, or th e ransmission
and
receipt
of
commercial
radiograms be-
tween
and
tations
nd essels at
ea .
between
and
tations
nd
icensed
adio
stations
within
he
United
tates
or
any
territory
hereof,
nd
etween
and
ta -
tions
nd adio tations nder
oreign
Jurisdiction, nder he rovisions
f he
London
onvention
f
ineteen undred
and
welve
nd
uture
nternational
on-
ventions
r
reaties
o which
he
United
States
ay
ie
arty.
he
eceipts
from such radiograms, less an
amount
not
to
exceed
twenty-five
per cent pe r annum
for he ecessary xpenses
f
ac h e-
partment
or
he
andling
f
uc h
om-
mercial usiness,
shall
i e urned nto
th e
Treasury s miscellaneous eceipts.
N o radio station
other
than that
belong-
ing
to
r
operated
y he United
tates,
or y
he
Government f
he
hilippine
Islands,
hall
e
perated
n
and
r
n
a
permanently
moored
vessel
In
th e
Canal
Zone, r
n he hilippine
slands, r
n
any
erritory of th e
United
tates
in
he
West
ndia
slands
ther
han
orto
Rico,
or
in
th e
Pacific
Ocean
west
of he
one
undred nd ixty-first
meridian
f
longitude
west of
Greenwich
and
south
oi
th e ortieth
arallel f
north
atitude.
Kvery
overnment
and
tation
nd
Government
hip
tation
hall
av e
pe-
cial
all
etters
which
shall
he
designated
and ublished
y
he epartment
f
Commerce
n
a ist f
adio tations
f
th e
United
tates.
S e c .
.
fter hree
onths
rom he
passage
f
his
c t
nd
t
ny
ime
within
ive
ears
fter
he
xpiration
i
said
hree
onths,
ut ot onger, he
Government hrough he
av y
epart-
ment
hall
ave
authority
o
cquire
y
purchase
at
a
easonable
aluation
ny
coastal
adio
tation
ow
in
peration
n
the
United
tates
which
he owner
may
desire
to sell.
S e c .
. he
tation
icense
required
by
Section
ereof
shall
ot e
granted
o
any lien, or o
any
company,
orpora-
tion. r
ssociation
f
which
ny
lllcer
or
more
han
ne-third
f
he irectors
are
liens
r
f
which
more han ne-
third f he
apital
tock
s
wned r
controlled y aliens or by a oreign
gov-
ernment r
epresentative
hereof r
y
any
ompany,
orporation,
r
association
organized
nder
he aws
f
oreign
country;
nd
icense
hall
ecome
oid
if
wnership
or management f
he
ta -
tion
r
apparatus
shall
e
ransferred
o
any lien, r
o
ny
ompany, orpora-
tion.
r
ssociation
f which
ny
lllcer
or
more
han
ne-third
f he
irectors
are liens r f which more han
ne-
third
f
he apital
tock
s
wned
r
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30
PACIFIC
ADIO
EWS
controlled y aliens or
by a oreign
ov -
ernment r epresentative hereof r
y
any
ompany, orporation, r
association
organized
nder
he aws
f
oreign
country.
A
license
shall not
be
granted
if.
in th e
opinion f he ecretary f ommerce,
the
operation
of
th e
proposed
station
will
seriously nterfere with he
peration
f
existing
Government
r
icensed
tations
in
he
icinity.
Sec. . he
tation
icense
rescribed
by
ection
ereof
hall
e
ssued nly
in
esponse
o
ritten
pplication
therefor,
ddressed o
he
ecretary f
Commerce,
which hall et
orth
he
fol-
lowing
acts:
1 . he
name
and
address
of th e appli-
cant.
he date
and
place
of
birth, and,
f
naturalized,
he date and place
of
natur-
alization.
2 .
f
th e
applicant
is
a
corporation, th e
date f ncorporation
nd
nder
hat
laws
ncorporated, he rincipal lace
f
business
f
he
orporation,
he
ames
and ddresses
f
th e
fficers
nd
irect-
ors. a
statement
as o
each
fficer
speci-
fying
his
place
f
birth
nd
he
ountry
of which
e
s
itizen, nd,
f
a at -
uralized itizen f
he
United
tates, he
date nd lace
f
aturalization, nd
statement
showing
what
proportion
of th e
capital
tock
s wned r ontrolled
y
aliens,
y
oreign
overnments
r
epre-
sentatives hereof, nd
y
ompanies,
corporations,
r
ssociations
rganized
under
th e
aws
of any oreign ountry.
3 . he wnership f he.
tation
nd
apparatus.
4 .
he
xact
ocation
f
he tation.
5 .
he
tations
with
which
t
s
ro-
posed
o
ommunicate.
S .
he urpose r urposes or which
th e
tation
s o
e sed.
7 .
he
ave-length r ave-lengths
which t s
roposed
o
se
at
he ta -
tion
and
he
period
or
periods
of th e day
during which
it
is
proposed
to
operate
th e
station.
8 . he
proposed
rate to
be
charged pe r
word.
9 . uc h urther
nformation
s
he
Secretary f Commerce may,
y egula-
tion. rescribe.
Kvery
application
shall
be
signed
by
th e
applicant
pon ath r ffirmation.
f
the
applicant
Is
corporation,
he
appli-
cation
hall
ie
igned
pon
ath
r
f-
firmation
by
at
least
two
officers
thereof.
The
ecretary f
Commerce
may
pon
request
etermine
n
dvance
f
he
erection f
a adio
tation,
n
he asis
of
an
application substantially
conforming
to
he
equirements f h is ection,
whether
he
pparatus
o
e
nstalled
n
such
tation ill
e icensed
pon
om-
pletion
f
uc h
tation,
nd
pon
what
condition
uc h
icense
will
e ranted.
Whoever
shall
knowingly make
any
un-
true
tatement
n he pplication or
license rescribed y
h is
ection,
hall
be uilty f erjury nd
hall
e
un-
ished y
a
ine
ot xceeding
two
hou-
sand
ollars, r by
imprisonment
or
not
more
than
five
years
or
both.
Sec,
.
tation
icenses
hall
e
n
such
orm
s th e
ecretary of Commerce
shall
rescribe and
hall
ontain a
tate-
ment of
th e following
conditions
to
which
such
icenses
shall
e
ubject:
1 .
he tation hall at
ll
imes
e
subject o nspection y fficials f he
Department of
Commerce;
and
he
Presi-
dent
of
th e
United
tates.
n is discre-
tion, may
ause
he losing f
such
sta-
tion nd
he emoval f
all
adio
ppa-
ratus, r may uthorize he se
f
he
station
r apparatus
y
ny
Department
of
he
Government pon
ust
ompensa-
tion
o
he
wners,
s
rovided n
ec -
tion
4
b) f
this
Act.
2 .
he
wnership
r
management
f
th e
station
or
apparatus
therein
shall
ot
change
without
he consent of th e Secre-
tary
f Commerce,
or be transferred
o
an
lien
r liens,
or
o
ny
oreign
government or
representative
thereof,
no r
to
any
company,
orporation, r associa-
tion rganized nder he
aw s
f
or-
eign
ountry, r
of which
any
officer,
r
more
than
one-third
of
th e
irectors,
are
aliens,
r f which more han ne-third
of
th e
capital
stock
is
owned
or
controlled
by
liens
r by a
oreign
overnment
r
representative
hereof,
r
by
a company,
corporation,
r
association
rganized
n-
der
he
aws f a oreign ountry. he
ownership r ontrol f more han ne-
third
f
he
apital
tock
f
ny
om-
pany,
corporation,
or
association
to
which
a
tation
icense
as
een
ssued
hall
not be
transferred
during
th e term
of
th e
license to
an
alien
or
aliens,
or to
a for-
eign government or representative there-
of. r o
ny
ompany,
orporation, r
association
rganized
nder
he aws
f
a
foreign
country.
o
company,
corpora-
tion
r ssociation
o hich
tation
license
as
een
ssued
hall
hereafter
during
he erm
f
he
icense
av e
any
officer
wh o
s n
lien,
3 .
he
ates
o
e
harged
hall e
as ixed y
he
ecretary
f Commerce,
and
hall e pecified
n
he icense.
4 . pparatus
other
han
h at
pecified
i n
he
license
shall
not
be
used
for
radio
communication,
5 . very icensed
adio tation
pen
to
general
ublic
correspondence hall
e
bound
o xchange
adiograms
with
ny
other
uc h
tation without
istinction
f
th e
adio
ystems
dopted.
Such
license shall
also
show
specifically
th e ownership
and location of
th e
station
in
which
he apparatus
is
to
he
used
and
such
ther articulars s he ecretary
of ommerce
ay
eem
ecessary
or
the identification
of th e
apparatus and
to
enable ts
ange
o e stimated,
hall
show th e purpose of th e station, th e
rates
authorized
y
h e
icense,
he
ave-
length
r
ave-lengths
nd
he
ecre-
ment
r
ecrements
uthorized
or
se
by
he
tation,
nd
he
ours
or
which
th e
tation
s
icensed
o work.
Sec. 0 ,
ny tation
icense
hall
e
revocable y
th e
Secretary
of
Commerce,
in is
discretion,
or violation f
or
fail-
ure
to
observe
any
of
th e restrictions
and
conditions
entioned
n
he receding
section,
r other
provision f
this
Ac t
or
regulation
f
th e
Secretary
of
Commerce,
and
th e
books
and records
of
th e
licensee
shall
be
open
at all
times
to
inspection by
officials f th e Department
f
Commerce
to nable hem o
etermine hether
such
iolation
r
ailure
o
bserve
as
occurred.
Sec.
1 .
very
radio
tation
or
which
a
station
icense
s
equired
y
his
Ac t
shall
be
in
charge
of
or
under
th e
super-
vision of
a
person to whom
n
operator's
license
hall
ave
been ssued
ereunder.
N o person
hall
operate any
such
tation
except nder
nd
n ccordance
with
n
operator's
icense
ssued o
im
y
he
Secretary f Commerce.
he ecretary
of
Commerce,
in
his discretion,
may
grant
special
emporary
licenses
to operators
of
radio
pparatus
hen
ny
mergency
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PACIFIC
ADIO EWS
3 1
arises
equiring
he
rompt mployment
of
such an perator. hoever shall em -
ploy
any
unlicensed
person
n
he opera-
lion
r
upervision f
any
icensed
adio
station,
or
whoever
without an
operator's
license hall
perate
r supervise
such
a
station, hall e unished
y
a
ine
ot
exceeding
ne
undred
ollars
or
he
first
offense,
nd
y
a
ine
not exceeding
two
undred
ollars or
imprisonment
or
not ore
han
wo
ears,
r
oth,
or
each
ffense hereafter.
Sec.
2 . n
perator's license
hall
e
issued
nly
n
esponse
o a
written
p-
plication
therefor addressed
to
th e
Secre-
tary
f
Commerce, which
shall
et
orth
the ame, age, nd
address
of th e
appli-
cant, date
and
place
of
birth,
he country
of
which
he s
a citizen,
nd
if a
natur-
alized
itizen
f
he
nited
tales
he
date
and
place
of
naturalization.
he
ap -
plication
hall
lso
tate he
revious
experience
of applicant
in
operating
radio
apparatus
nd uc h urther
acts
r
n-
formation
s
ay
e
equired
y
he
Secretary f Commerce. very
pplica-
tion hall
e
igned
y
he
pplicant
upon ath r affirmation. n perator's
license
hall
e
ssued
nly
o
a
erson
who, n
he judgment
of
th e Secretary of
Commerce, s
hown
o
e
roficient n
th e ttse and operation of
radio
apparatus
and
n
he ransmission nd eceipt f
radiograms.
n
perator's
icense
hall
not
he
ranted
o
any
alien
r represen-
tative
of
a
foreign government.
hoever
shall nowingly
make
ny
ntrue tate-
ment
n
n
pplication or
n
perator's
license
hall
e
uilty f
erjury
nd
shall
e
unished
y
ine
ot
xceed-
ing
two thousand dollars or
by mprison-
ment
or
ot
ore
han
ive
ears,
r
both.
Sec. 3 .
n
perator's
icense hall
e
I n uc h orm
as
he
ecretary f
Com-
merce hall
rescribe,
nd may
e
us-
pended
by
th e
Secretary of Commerce for
a
eriod ot xceeding ne ear, pon
proof
ufficient o atisfy
im
hat he
licensee has violated any
provision
of
this
Act r egulation
f
he ecretary
f
Commerce, or
that e as
ailed
o
com-
pel
compliance
therewith
by
an
unlicensed
person
n
is employ or
under his super-
vision. r th e
icense
may
be evoked
by
th e ecretary
f
ommerce
pon
roof
sufficient
o
satisfy
im
hat
th e icensee
was
or
is
ineligible
or
a
license.
Sec.
4 .
a)
adio
tations
icensed
under
he provisions
f
his
Ac t
hall t
i l l
times
be
subject
o
inspection by
offi-
cials
f
he epartment
f
ommerce.
During
ny ar
n
hich
he
nited
States hall e a eutral
ation,
nd n
time of threatened or actual
war
in
which
(he
United
States may
be
a party,
nd
In
time
of
public
peril
or
disaster,
th e Presi-
dent
may,
y roclamation
r
xecutive
Order,
ssue egulations
or
he
onduct
and
ensorship
f
all
adio
tations
nd
radio
apparatus of every
form
and nature
within
he urisdiction
f he
nited
States.
ny
person
who
hall nowingly
violate
or
fall
to observe any
of said
regu-
lations
hall
e
unished
y
a
ine
ot
exceeding
en
housand
ollars
r
y
a
term f
mprisonment
f
ot
more
han
three
ears
r
oth:
nd
n
ase of any
such iolation
r ailure o bserve
ny
of aid
egulations,
he
adio
tation, r
apparatus, or
both,
hall
be
liable
to
for-
feiture to th e United States
(h )
he
President,
urther,
n
his
dis-
cretion.
may cause
th e emporary closing
of any
adio
tation
within
he
urisdic-
tion
of
th e United States
and
th e
tempo-
rary emoval herefrom
f
any
adio ap -
paratus
or a
eriod
r
eriods
f ot
more
han
ive
onths ach,
r
ay
authorize
th e
temporary
use of
th e
station
or
he
apparatus
hereof
by
ny
epart-
ment
of
th e Government
for
a
like
period
or
periods
upon
just
compensation
o
he
owners.
Sec. 5 .
a)
Whoever shall
maliciously
or wilfully nterfere
with
r
ause
ny
interference ith adio
ommunication
carried
n or sought to
be
carried
on
y
any
adio
tation r pparatus
hall
e
punished
y
a ine
ot
xceedingly
ive
hundred ollars or he
irst
ffense,
nd
by
ine
ot
xceeding
ne
housand
dollars,
or each offense
thereafter.
(b)
hoever hall wilfully ivulge r
publish
he
ontents, ubstance,
urport,
effect
r meaning
f
ny adiogram,
r
any
art
hereof,
o
ny
ersons
ther
than he
ender
r
ddressee hereof, r
his
gent
r
ttorney, xcept o
a
ele-
graph
r
adio
tation
mployed
o
or-
ward such radiogram
to its
destination,
or
in esponse o a ubpoena
ssued y a
court
of
competent jurisdiction, r
on
de-
mand
of
other
competent
authority,
shall
b e
unished
by
a fine
ot exceeding five
hundred ollars or
th e
first
offense,
nd
by
a
fine
not
exceeding
one
thousand
dol-
lars, r imprisonment or ot
more
han
one year, or both,
or
each offense there-
after;
provided,
that
his
section
shall not
apply o
he
ivulging r ublication
f
the ontents f ny
adiogram
y
he
sender
or addressee
thereof.
S e c . 6 . ll
tations
shall
give priority
over ll
ther adiograms
o adiograms
relating
to
ships in distress,
shall
discon-
tinue
ll
ending
n
earing
a
istress
signal,
nd ,
xcept
hen
nswering
r
aiding
hip
n
istress,
hall
efrain
from sending until
all
radiograms
relating
to
th e
ship
or
ships in
distress
shall have
been
completed.
Every
coastal
tation
and every
station
whose peration
an
nterfere ith he
exchange
f
messages
etween
hip
nd
ship,
or ship
and
coast
Is required,
during
th e
hours it
la
In
operation,
to
listen
in at
intervals
of
not
less than
1 5
minutes, and
for
a
eriod
of
not
ess han minutes,
with he
eceiver
uned
o eceive mes-
sages
n
a
wave
ength
f
0 0
eters,
or
such
other
normal wave
length
as
may
be
equired
y
uture nternational
on-
ventions.
Sec.
7 . hen sending
distress
signals,
th e
transmitter
of a station on shipboard
may
e
uned
o
reate
maximum
f
interference
with
a
maximum
f adia-
tion. n
all
other
circumstances,
all
ta-
tions
hall se he minimum
mount
f
energy
ecessary o
omplete
ny
om-
munication.
Every
adio
tation
hall
se
uc h
transmitting
apparatus that
th e
energy
is
radiated
n
as pure and
harp
a
wave
as
practicable,
nd
ave a ogarithmic e-
crement
not
greater
than th e
limits which
may
e
pecified
y
he
Department
f
Commerce,
ut
he
owner or operator of
a
station mentioned
n
Section 1 8 ollow-
ing
hall
ot
e
iable
o
he
enalties
provided
n
ection
8
or a
iolation
f
the
requirements
of
this
paragraph
unless
such wner r perator
hall av e
een
notified
n
riting
h at
he
ransmitter
owned r sed y
im
as
een ound,
upon tests conducted
by
th e Government,
to e o
djusted
s o
iolate
aid
e-
quirements,
nd
pportunity iven
uc h
owner or operator o djust
uch
trans-
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32
PACIFIC
ADIO
EWS
mltter
so as
o
conform
o
aid
eouire-
monts.
Receiving
pparatus
hall
e f
uc h
construction and
so
adjusted
and
used
as
to
give
th e greatest practicable protection
against
interference.
Sec.
8 .
eneral
amateur
stations
shall
not
se
a
ransmitting
wave-length
x-
ceeding
0 0
meters
r a ransformer
n-
put
xceeding
ne ilowatt.
Restricted mateur
tations
hall ot
use ransmitting wave-length
xceed-
ing 2 0 0
meters
or
a transformer
input
ex -
ceeding one-halt kilowatt.
Special mateur
tations
are
ermlttea
to
se ny ave-length ess han
0 0
meters
and
n
mount
of
power ot x -
ceeding
th e
limit
which shall e
specified
i n he icense,
rovided
he ecretarv
f
Oommerce
is
satisfied that
such
operation
would ot
nterfere ith
overnment,
commercial,
coastal,
or ship stations.
See. 9 . he ecretary f
Commerce
may,
n
is
iscretion,
rant
icenses
o
experiment
tations
to ermit
he
arry-
ing
on
of
tests with
any
amount
of
power
or
ny wave-lengths,
at
uc h
ours
nd
under uc h
onditions
s
will nsure
he
least
nterference
with
th e
work
of other
stations.
Sec.
0 .
ommercial
stations
and
tech-
nical
nd
raining-school
tations
hall
not
se
ransmitting ave-length
f
1 8 0 0
meters nor any wave-length exceed-
ing
6 0 0
meters
unless
it
exceeds
1 6 0 0
me-
ters, xcept n pecial
ases
o be
deter-
mined
y
he.
ecretary
f
ommerce.
Such
tation
hall
perate
n
uc h
manner as not to cause interference with
Government
tations
or
other
commercial
stations.
uc h
a
station
shall
ot
use
any
wave-length
etween 0 0
and
0 0
meters
if
operation
at
such a wave-length would
in he pinion
f th e
ecretary f Com-
merce
ause
nterference with
oastal
r
ship
stations.
After
th e
passage
of
this
Ac t
no license
shall e
ranted
o a commercial
tation
permitting
he
se of a
wave-length
e-
Iwcen 0 0
nd
0 0 0 meters,
xcept when
so
ar
emoved rom overnment
r
Coastal
stations that
I n
th e
opinion of
th e
Secretary f ommerce
o
nterference
can
ccur
with overnment r oastal
communications.
In
onsidering omplaints
f nterfer-
ence and
n
eciding
whether
th e
license
of
a
tation
ausing
serious
nterference
shall
e
evoked
y
he
ecretary
f
Commerce, reference hall
e
iven
o
stations communicating with ships
or
be-
tween oints where
other
means
of
com-
munication re ot available.
Sec. 2 1 . very coastal station and
ship
station shall at
all
times he ready
to
send
and eceive
messages
and signals on
such
wave-lengths
and of
such
wave character
as are equired
by
he
existing
or future
international
onventions,
ne
f
hese
wave-lengths
to
be
considered
as th e nor-
mal
sending
and receiving
wave-length
of
th e tation. uc h
tations
may
lso
use
1 8 0 0
eters
nd
uc h
dditional
ave-
lengths ess han
0 0
meters s may e
granted
y
he
ecretary
f
ommerce.
Kvery
such
station
hall
ave
ts
receiv-
ing
apparatus
so marked h at
he
opera-
tor
can
quickly and conveniently adjust it
to
a
eceiving wave-length
f
6 0 0
meters
or ther
istress
wave-length
h at
ay
be designated
by
future
international con-
ventions.
Sec. 2 . o licensed hip
adio
station
when
within
ifteen
autical miles f
a
Government land station or a
coastal
sta-
tion shall use
a transformer
input
exceed-
ing
ne ilowatt,
or
when ithin
ive
nautical miles
of a
Government land ta-
tion
r a
oastal
tation, a ransformer
input exceeding one-half
ilowatt,
xcept
for
sending
distress
signals or signals or
radiograms
relating
thereto.
The ecretary f Commerce may
egu-
late or prohibit
he
se of
th e
ransmit-
ters
of
stations on
hip
oard
in
arbors
within
he urisdiction f he nited
States,
as
he
may
deem necessary.
S e c . 3 .
o icensed
and
tation
n
operation n
he ate f he
assage
f
this
Ac t
within
fifteen
nautical
miles from
the
Government receiving stations
at
th e
following oints:
oston,
ass..
ew-
port, R.
I.. Washington,
D .
C.,
Charleston,
S . ., ey West,
la.,
an uan, . ,.
Point
Isabel,
San
Antonio, Laredo, and
El
Paso, exas, ort
uachuca, rizona,
S an
iego,
nd
an
rancisco, alif.,
N orth Head.
Tatoosh
Island,
and Bremer-
ton.
ashington,
r
rom
ny
overn-
ment
station
n
Alaska, hall
e
licensed
to hange
ts
quipment
n
ny
manner
that
ill
ncrease
ts
nterference
ith
other
stations, and
no
land
station
located
within ifteen
autical
miles of
he
Gov-
ernment
eceiving stations
herein amed,
and
ot
n peration n he
ate
f
he
passage
f
this
Act.
hall be
licensed
or
the
ransmission
f
public
r commercial
business by
radio
communication.
Sec.
4 .
t
all
mportant
seaports
and
at
all
ther
places where coastal
stations
operate
n
uc h lose roximity o Gov-
ernment tations h at nterference ith
the
work
of
th e
Government
stations
can-
not be otherwise avoided by he
enforce-
ment
of
this
Act.
such
coastal
stations
as
interfere
with he eceipt
f
adiograms
h v he
overnment
tations
oncerned
shall
ot se heir
ransmitters
uring
th e
irst ifteen inutes
f ac h
our,
local
tandard
ime. he
ecretary
f
ommerce may, n he ecommendation
of
he Department oncerned, esignate
the
tation
r stations
which
may
he
e-
onlred
o
bserve
his
ivision
f
ime.
The
Government
tations
or which h e
above-mentioned division f time may be
established
shall
transmit radiograms
onlv
during
he irst
ifteen
inutes
f
ac h
hour,
ocal
tandard
ime, xcept
n
ase
of
adiograms
elating
o essels n
is-
tress.
Sec.
5 .
Whoever,
ncluding
any
person
i n he ervice
f
he Government, hall
knowingly transmit
r
publish,
r
now-
ingly ause o
e
ransmitted
r ub-
lished,
ny alse
r
raudulent
istress
radiogram,
or
who,
when
engaged
In radio
communication,
hall
ransmit
or
publish,
or
cause
o
e
ransmitted
r
ublished,
any
ther
adiogram
or he
urpose f
defrauding
or
eceiving he Government,
shall
e
unished by a
fine
not exceeding
two
thousand dollars or imprisonment for
not
more
han ive
ears,
r
oth.
S e c . 6 .
o
erson
hall
se
r
oper-
ate
ny
adio
pparatus
n
oreign
shin
when
within
he
urisdiction f
he
United
tates
therwise
han
n
ccord-
ance
with he
rovisions
f ections
4
'a), 5 .
6 ,
7 . and 2 2 of
this
Act. and
all
the
provisions
of
said
sections
and
penal-
ties
hereto ttaching re
ereby
ade
applicable
o
uc h pparatus; rovided,
however,
hat
n
o ther
espect hall
anything
ontained
n
his
Ac t
pply
o
apparatus
n
oreign
hips,
or
shall
he
restrictions
of
this Section
or
of
any
other
(Continued
n
age
4 )
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PACIFIC
ADIO
EWS 3
GTT
NT
Radio Apparatus
s
manufactured
on
he acific
oast
or
acific
Coast
Experimenters with
artic-
ular
regard
or
Pacific
Coast on-
ditions.
Our
ine
ncludes:
Six styles
of
oose couplers
Four
ypes
of
Crystal
Detectors
Three tyles
of
Rotary Gap
Besides eceiving
ets,
ac-
uum
etector
anels,
ixed
and ariable ondensers,
lso
a
large
stock
of
parts
for
build-
ing your own
apparatus,
com-
prising inding osts, ard
Rubber,
ontacts,
ibre,
Switches,
etc.,
etc.
Haller
Cunningham
Electric
Co
4 28
MARKET
T REET
AN
R A N C I S C O ,
ALIF .
ggsoa
When
writing
to Advertisers lease mention
his
Magazine
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34
PACIFIC
ADIO EWS
HAAS
WOOD nd
VORY
WORKS
CABINET WORK
FOR
ALL
TYPES
F
ADIO
N D
ELECTRICAL PPARATUS
Transformer
Cases
Receiving et abinets
Panel et
Woodwork
Lathe
Work
64-66 CLEMENTINA STREET
Between
First
and
Second
S AN
R A N C I S C O ,
AL.
Frank .
Herrguth
A 1
osenberg
Formerly
of
au l
eiler
Electric Works
Electric upply
and epair
o
Full
Stock
of
Electrical
and
W ireless aterial
PANEL
ETS AN D
THER
WIRELESS
APPARATUS
M A D E
TO
RDER
Large
tock of
Electron
elays
520
MARKET
TREET
S an
Francisco
(Continued rom
Page
3 2 )
.Sections
of
ins Act apply to
public
ves-
sels
of
foreign
governments otherwise
than
by eneral roclamation f
he
resi-
dent.
Sec. 7 . he ffice
f
Director
aval
Communications,
stablished
nder
oe
jurisdiction of th e
Navy
Department, shall
b e
charged with
th e accounting
and
pay-
ment
f
lmrges
n
onnection with he
settlement
f
nternational
adio c-
counts
as
provided
y th e London
adio-
telegraphic
Convention of 1 9 1 2 ,
or
as may
be
rovided y uture
nternational
on-
ventions. he
xpenses
nvolved n
he
settling f
nternational
adio ccounts,
not
xceeding ive housand ollars er
annum,
hall e
orne
y
he
nited
Stales.
Sec.
2 8 . n
all
cases
of
violation of
any
provision of this Act tor which
no
penalty
Is otherwise prescribed,
r
of any regula-
tion f he ecretary
f
Commerce, he
Secretary
of
Commerce
may
Impose
a
tine
of
one
hundred
dollars
upon
he
owner of
the
pparatus
y
eans
f
which uc h
violation
was effected,
r a
ine
of
twen-
ty-five ollars
pon he
ffending
opera-
tor, r
oth,
ut
uc h
ines
may
e
e-
duced
r
emitted
y
he ecretary
f
Commerce in is
discretion; nd n
addi-
tion
he
ecretary
f
Commerce
may, n
his iscretion,
evoke
he tation icense
of such
owner
and
evoke
or
suspend he
license
f
uc h perator
s
rovided
n
Sections
0
nd
3
of h is Act.
Sec.
9 .
he ecretary
f
Commerce
shall
have
power
to
enforce th e provisions
of his ct
y
ppropriate
egulations
through
ollectors
f
ustoms
nd uc h
other
fficers
s
e
may
esignate;
nd
said
Secretary shall also
enforce th e pro-
visions
f uc h nternational adio on-
ventions
s ave
een
r
may ereafter
be
atified
r
dhered o
y he
United
States,
xcept
that
provisions
thereof
re -
lating o Government
adio
nstallations
shall
e enforced
by
th e Departments re -
spectively
ontrolling
uc h nstallations.
The
ecretary
of Commerce may, pon
application therefor,
remit
or mitigate any
f i n e ,
penalty,
or forfeiture provided for
in
this
Ac t with he
xception
f
enalties
Including
mprisonment: rovided, hat
the enalties
ot
nvolving imprisonment
incurred n
he hilippine
slands,
ay
b e remitted
or mitigated by th e Governor
General
nd
resident
f
f c e
hilippine
Commission, nd uc h enalties
ncurred
I n he anama
Canal
one
may
e
e-
mitted
r
mitigated
y
he
Governor f
th e
Panama
Canal on
application
therefor
being
made,
n
uc h
manner
nd
nder
such
egulations s hey ay
eem
proper.
See.
3 0 ,
xcept
as
otherwise
specifical-
l y rovided n
his
Act,
he
provisions of
this
Act
hall xtend
o
ll
laces ub-
ject o he urisdiction f he United
States.
he
everal
Courts
f
irst
n-
stance
n
he hilippine
slands
nd
he
District
ourt f he anal
one hall
have urisdiction f ffenses
nder
h is
Ac t
committed within their respective
dis-
tricts.
and
of
conspiracies
to
commit
such
offenses
as
defined
by section
thirty-seven
o f
he
Act
o odify,
evise,
nd
mend
the enal aws f he United
tates,
p-
proved
March 4 . 9 0 9 ,
nd
he
provisions
of
aid
ection, or he
urposes
f
his
Act,
are
hereby
extended
to
th e
Philippine
Islands
and
to
th e
Canal
one.
Sec. 1 . he Ac t pproved August
3 .
When
writing
o
Advertisers
please
mention
h is
Magazine
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PACIFIC
ADIO EWS 3 5
1 9 1 2 ,
ntitled
An Ac t o
Regulate
Radio
Communication,"
s
ereby
epealed.
Such epeal, owever, hall ot
ffect
any
c t one r ny ight ccruing r
accrued,
or
any suit or
proceeding
had
or
commenced n ny
ivil
ause
rior
o
said
epeal,
ut
ll
iabilities
nder
aid
laws
shall
ontinue
and
may
e
nforced
in he
ame
manner as
f said
epeal
r
modifications
had not
been
made:
nd all
offenses
committed,
and
all
penalties,
for-
feitures or
liabilities
incurred
prior
to
th e
taking
ffect
ereof, nder ny aw m-
braced in,
hanged, modified, r
epealed
by
this
Act,
may
be
prosecuted
anil
pun-
ished
n
he
ame
manner
and
with
he
same ffect as t h is Ac t ad ot een
passed.
A M A T E U R
TATIONS
OBBED
During
th e past three months, more
than
alf
a
dozen
an
Francisco
ama-
teur
tations ere ooted
y
aring
robbers
and
up
to th e present time
no
clew has een
ound.
Detectives
ave
been
working
on h e ase or everal
months ut av e
btained
no
efinite
information s et.
The
tation
f
M r.
.
.
artin
was
hrice obbed. r. . . ar -
nett's
tation
was ooted
wice.
he
entire
equipment,
including
th e
screws
on
h e
wall,
were
aken
y
these
ar-
ing
mischief-makers.
M r.
.
.
yan
eports
hat
is
basement was
obbed t
east hree
limes in
wo weeks,
many
magazines,
insulators
nd
ther
mall
ireless
articles
eing
tolen.
r. oward
Cookson's erial n he Y.
M .
. A.
building was tripped f he wire, n-
sulators nd ther
aterial,
vcry-
hing
being
taken
ut
the
aerial
poles.
While
M r.
C.
. Altland was spend-
ing is
acation
n
os
Angeles,
is
aerial as also tripped f he wire
and nsulators.
Looks s
f
ome
nterprising
n-
thusiast
s
ndeavoring o
stablish
wireless
orporation or
he ale f
second
and material.
Detectives
assert hat h ey re un-
der h e mpression
hat o mateur
is
uilty
f
h e
ffense
nd
lace
he
blame
n
econd and
unk
ealers,
who re aking dvantages f he
high rice f metals, specially op-
per.
On Thursday night,
ovember
3d,
th e antenna
sed
at
he ig ootball
game
at
h e niversity
of
California
was tripped f ll ts wire.
Any
nformation egarding
hese
daring
obbers
ill
e
ppreciated.
All
orrespondence hould
e
d-
dressed
o
h e
.
.
adio
Club.
DO
YO U KNOW THAT
th e
EST
hotographs
nd
rticles
of adio
tations perated
y
he
Federal
elegraph
o.,
he
aller-
Cunningham
ystem,
he ilbourne
and
Clark
ystem
nd
he
mysterious
Japanese
System
have
never
been
pub-
lished
in
any
magazine?
We
will
con-
vince
ou
f
h is
act by ublishing
some
air-raising
stories n h e most
interesting
ystems of adio ommu-
nication in
se today.
ach
issue
will
contain n nteresting rticle
on
ne
of
these
systems,
fully
illustrated
with
photographs hat av e ever efore
been ublished.
If
he
contents
f his
ssue
eet
your
approval,
hink
f
what
we
av e
in tore or
our uture ssues. how
this magazine
o
very
adio
enthusi-
ast
ou
meet,
end s is ame nd
address and
we
will
end
im
a
sam-
ple
opy
of
h is
ublication.
Do not ail o end n our ub-
scription oday; f
ou cannot fford
to
send
us
$1.00
fo r
a
year's
subscrip-
tion,
will
will end
ou
ive
onsecu-
tive
ssues
or
50
ents.
N o adio magazine published n h e
United States
an iv e
ou
he
ews
that we can.
e
have
representatives
in
very
wireless orporation n h e
Pacific
Coast
nd
will eep
our
ub-
lication
illed
with he
most
ascinat-
ing
rticles maginable.
AMATEUR
ARTICLES
These
will e ublished
nder
h e
heading
f
Handy Hints",
ll ma-
teurs
eing equested
o
urnish
ORIGINAL rticles
hat will
rove
to be
of general interest to all readers.
S ee
nnouncement in next
ssue
e-
garding
prizes
or
est rticles.
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36
PACIFIC
ADIO
EWS
G O O D R O U N D ONNECTIONS
B y
D.
. McGown
I t as ome
o
he attention f h e
writer
n
ery oticeable
anner
lately
ow
ew
mateurs
ave
eal-
ly good ground onnection. t eems
to
e ery
ommon
dea
hat
water
ipe,
o
matter
where,
or
ow
located,
s
ll ery well nd
ufficient
fo r
a
ground. ne
case
which
s well
worth iting
s
s ollows. ertain
amateur, wh o
magined
e new well
what
was
necessary
fo r
th e
proper
in-
stallation
or
is
tation
rected
fine ntenna,
omposed
ntirely
f
stranded
hosphor ronze ire,
ell
insulated ith ubber od nsulators,
and
ith
ine
leetrose
ead n
tube.
e hen
roceeded
o
onnect
his
ransmitter
o h is
ntenna,
nd
tried o adjust t
o
esonance.
e
found
hat
h e
natural
eriod
f
h e
antenna was about 9 7
meters, just
s
or
ngalvanized
ipe. he
round
was at nce
isconnected,
nd
a
ig
copper
plate
was buried
in
th e ground
directly
nder
he
tation,
ome
oke
being buried
with
t,
o
attract
moist-
ure.
he
radiation
now
ose to about
two
mperes, n h e ame ower s
was
sed
efore.
Some
esults
ecorded
ro m
everal
experiments at h e author's wn ta -
tion re s
ollows.
he
ground
irst
used
was
umber
ix
tranded
op-
per ire, hich ed irectly o
h e
water
ipe. his
ipe
an
bout
en
feet
arther n,
where
t
entered he
ground.
e ill
all
h is round
number
ne .
ome
half
nch opper
ribbon
as hen oldered o h e
ground
wire
where
t
was
astened
o
th e
ipe,
ah d
then
wisted round he
pipe,
nd un or
bout en eet
ast
Ground umber
adiation
One .1 Amps
Two
.8
Amps
Three
.3
Amps
Four
.1 Amps
W av e
ower
210 M .
00
Watts
210 M .
00 Watts
210 M .
00
Watts
210
M .
00
Watts
he ad esigned
t
o e,
owever,
do
what he would h e
could
n no way
put
more
han
bout
alf
n mpere
in
he antenna
n
.
W . inally,
after
eries
f ery isheartening
tests,
he
riter
as
sked
o
ook
th e quipment ver. inally,
fter
everything
lse, as arefully ooked
over
he
round
as
ooked
fter.
T he
round
ire,
umber
our
stranded opper,
was
raced
ro m
he
transmitter,
hru
he
wall nd own
to
he
ellar.
ere
t
as
astened
to
he alvanized ater ipe, nd
everything
seemed
all
right.
However,
th e
water
pipe
was traced,
and
it
was
found hat
he alvanized ipe
an
only
ew
eet,
hru
h e wall, when
it was
crewed
o
ommon black",
th e
point
where
he
ipe
ntered
h e
ground.
e
ill
all
h is round
number
wo.
bout
ifty
ounds
junk opper ire
f
arious
izes
mostly o.
or
0,
was
hen
uried,
at
epth
f
about
ive
eet,
irectly
under
h e
tation. h is ire as
spread ver
n
rea f bout
hirty
square
eet.
ne nch
brass
ibbon
was
ed
off f
this.
e
will
all
his
ground umber hree.
bout ifty
pounds more f junk wire were
hen
buried,
but
this
time
it
was
not
buried
so eep, ut ather uried o hat
t
covered s
arge
n re a s ossible.
This
as
onnected
o
alf
nc h
brass ibbon,
hich
an
or bout
twenty
feet, about wo eet below h e
surface,
efore t was
ed
o
h e
ta -
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PACIFIC
ADIO
EWS
3 7
tion. e will all
h is round um-
ber
our. he
adiated
amperage
or
these
various grounds
is shown in
the
table.
These
eadings ere
btained
when he rounds were onnected
s
follows:
irst
umber
ne, hen
Number wo was onnected
ight
n
with umber one,
h en
umber three
was
onnected
nto
he
ircuit,
na
finally Number Four. Thus in h e at-
ter case it will
be
een hat
all
of
th e
grounds were
n
se
n
est
our.
As t is
well
nown hat he adia-
tion
aries
irectly
s
he
SQUARE
of
he ntenna urrent, h e nergy
transmitted
n
he ast ase s
ery
much reater han hat ransmitted
in he irst ase.
For
eally
fficient round,
hen,
it
eems
hat
he points o e
aken
into account are: irst,
a
good
eavy-
lead ro m
th e station;
econd,
no
high
resistances
ntroduced
nto he
ir -
cuit;
hird,
umber
f
eparate
grounds, nd
astly ood
urface
exposed by he ctive
wire.
T AC O M A M A T E U R S R G A N -
IZE WIRELESS CLUB
On
c t.
0 ,
916,
h e adio lub
of
acoma, ashington,
was
rgan-
ized t r. .
ason's
tation n
13th
t.
h e
ollowing
fficers
were
elected:
President, H . G. eichert.
Vice-President,
D.
Mason.
Secretary,
dwin
oe .
Treasurer,
Alvin
tenso.
A ommittee or drafting
he
Con-
stitution as hosen, onsisting
f
three lub
members.
Up o h e
present
time th e Tacoma
W ireless
Amateurs
have
h ad no
Radio
Club
egardless
f
he
arge
umber
of adio nthusiasts n hat ity.
T h e urpose
of
he lub
s
o
ro -
mote
he nterests
f
adio
Commu-
nication
among
its
members and
other
radio
operators
n uget ound.
A meeting
of th e
club
is
held
very
Thursday
vening
at
17
.
3th
t. ,
order eing
alled
at
'clock.
All orrespondence hould e d-
dressed
o
he
ecretary,
M r. dwin
Moe,
4118 N . 6 th St.,
Tacoma, Wash.
OLD
AN
TATIC
O ES
O
JAIL
T he urors ave h e erdict,
One
ark
October
ay ,
They convicted Old
M an
tatic
T o
is
cell cross
h e ay .
'Twas
no
surprise to
radio
"hams",
Commercial
men
s
well—
Old Static
keeps
the
ether
jammed,
Docs things
we
would
not
ell.
H is uzzing, rumbling, eavy lick
Caused ore han ne
arsh
word,
From
en
ho
o
heir uners
stick,
And
nothing
lse hey eard.
They
cuss
O ld
Static
up
and
down,
From ome o anama,
H is
am e
as
ained
orld ide
renown,
H is
spirits
spread
afar.
In
ummer
hen he
ights
re
warm,
H e
starts
out
on
is
ask,
H e
aves
about rom ve
till
morn
And
ravels mighty
ast.
H e spits his
fire
o
and
ro
For
six
long
Summer
months,
Conditions h en
o
better
grow
And
e tops
is
unny stunts.
In Winter time h e
disappears,
You
wonder
where
e oes,
In AIL,
hat's
here e its n
tears,
We've
old
ou omething
o
one nows.
O U R
IRST UBSCRIBER
T he irst
erson
igning our
yearly
contract ubscription lank as
r.
E.
.
mith
f
an Vancisco.
T h e
first Eastern
enthusiast
to
send
fo r opy was
M r.
.
M .
odge
of
Grubbs,
Del.
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38 PACIFIC
ADIO
EWS
PACIFIC OA ST R M Y V I A-
TOR
M A K E S
WORLD
EC OR D
The
War
Department
n Washing-
ton
nnounced
hat
on
Dec,
6th ,
Cap-
tain
.
.
Culver
f
he
army ignal
corps roke
he
orld's
ecord or
long
istance
ransmission
f ire-
less ignals
rom
n
eroplane.
Captain
ulver uccessfully
rans-
mitted
nd
eceived
essages
t
distance
f
19
miles
while
n
light.
It
s
tated
hat
he
revious
ecord
of
8 iles
as stablished
y
French
army
lyer.
T he ecord was made n ross-
country
light
ro m
os
Angeles
n
slock rmy
eroplane
quipped
with
a
8 0
watt
ransmitter.
Successful
rials
f ignalling
e-
tween
wo
eroplanes
was
made
he
same
ay
y
aptain ulver, he
message being
received by
Lieutenant
W illiam A. obertson
f
he an
Di-
eg o viation chool.
SAYVILLE
IRECTOR
ISITS
S AN
R A N C I S C O
Dr. K a r l
G.
rank, Secretary-Treas-
urer
f
he tlantic ommunication
Company,
ecently
isited
an
ran-
cisco. he
eason
or
aking
he
trip till emains
mystery.
H e
nformed he Pacific adio
News"
hat
he
ayville
tation
was
rendering
xcellent
ervice
nd
hat
communication
with he German ta -
tion as
eing
arried out n 4 -
hour day schedule.
H e
further stated that reports often
read
n he
ewspapers
egarding
un-
satisfactory orking f he
tation
due
to
static
conditions,
were
without
foundation. he reat umber f
commercial messages estined
o he
German
mpire
ad
aused
he
i-
rectors
f
h e
tation o
iscontinue
accepting ommercial raffic or
ev -
eral
ays,
tatic n
o
way
indering
th e
means
f
communication
with
he
European
tation.
T h e udion
mplifier
s eing
used
at Sayville fo r
receiving
th e
Ger-
man
ignals, 00 .W . ndamped
wave ransmitter
eing
mployed or
transmitting
h e
raffic.
Owing o h e
act
hat
he
British
Government
as
arred
h e nterna-
tional
ews ervice
ro m
he
ritish
Isles, he ayville tation as een
overflooded
with
war
eports for pub-
lication
n
he
Hearst
papers
hruout
th e ountry.
A
pecial
ate
f
ents per word
for
ress
ervice
as
warded
h e
Hearst ews ervice.
Dr.
rank
s lso epresentative
of
he iemans nd alske
Corpora-
tion
f
erlin,
he
manufacturers
of
th e elefunken pparatus.
H e
tated
hat
espite
he
nor-
mous amount
f
material
aken
ver
by
he
German
Government
or
war
supplies,
th e
corporation is
still
manu-
facturing
an
bundant
supply
of
radio
apparatus,
he
evelopment f
which
has
been
very
rapid ince th e declara-
tion
f
he war.
A ,000 .V.A. achine s
nder
construction
nd
ill e
hipped
o
th e
United
Stales
t
he
ermination
of
he ar.
H e expressed no surprise when
told
that
he
auen tation
as
eing
heard
by
an
rancisco
mateurs.
IMPORTANT NNOUNCEMENT
An
rticle
ertaining
o
he pera-
lion
f Commercial
nd
Government
land stations
on th e acific Coast
will
be
ublished
onthly
n
h is
maga-
zine.
Each
rticle
will be
llustrated
with
many
photographs
and
th e
most
inter-
esting rticles maginable.
In
this
way you will know just how
th e tation ooks
hat
you hear
every
day
nd
he
onditions
nder hich
their usiness
s
onducted.
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PACIFIC ADIO E W S '
39
' TWA S
US I C
TO
IM
(
A
ragedy
n
O ne
Act)
Scene
Ocean iner's
assengers
asleep n ec k hairs ear
ireless
Room.
Time—1:50
a.
in.
Place—On
he
riny
eep, , 0 0 0
miles
ro m
oplace.
W ireless perator
tarts
otor-
generalor
and
alls
KPII
or
0
min-
utes
efore
signing ff,"
German
usician
awakens
rom
terrific oise
f
he
park):
Ach,
llimmel, ol onderlul moosik."
English
raveler
awakens
rom
combined oise
f
erman
usician
and
park):
What ally
ool
ou
are,
shut
up and
o
o
leep, you
alk
like
a
undle
of
loose
ax e
andles, that
deucedly
oisy
park
akes
ore
racket
h an n
levated
ram-car
all-
ing
off
he
rack."
(Beware,
ear
eader,
xpressions
of h is
character
were
he ery ea-
sons
or
he eclaration of he uro-
pean
ar.)
WANTED
MMEDIATELY
W
ireless
iction
tories
or
ublica-
tion n
h is
magazine.
hese
tories,
i t
ccepted, will e
aid or at
egu-
lar
ates.
f
h is
roposition ounds
interesling
o
ou ,
end
t
nce
or
our
ate
heet
nd
eneral nforma-
tion.
DO
OU KNOW
THAT
he
"•inenching"
of
a quenched park gap s not ue o th e
air-tight
losely
paced
parking
urfaces,
UT
o
he
adjustment
of
he coupling on
th e
Oscillation
ransformer?
THAT nly one variable ondenser s eeded n most udion ir -
cuits
o ak e
ulb
scillate,
nd
hat
h is
ondenser
should be laced n eries
with
he
grid?
THAT h e ecision
n
he
arconi-K ilbonrne
lark uit n
Seattle as
not
et een
anded
own?
THAT erkeley
mateur
ommunicated ith nother
mateur
in hoenix,
rizona.
a
distance
of
1 X 1
miles, with
a
W .
transformer and otary ap?
THAT
when
2
separate
aerial
leads
are
brought
into
a
tation
hev
should
never
be
ru n
parallel
to
each
other?
THAT here
are
nearly
5 (1
ships using
th e
I M PU LSE xcitation''
type
f
ransmitter n h e acific Coast?
THAT
h e
nly
il o
e
sed
or
ransformer
ooling
should
e
vegetable il?
THAT
he
atio if h e rimary oltage o econdary s called
be
Patio Of Transformation?
THAT
he
ines
f
orce h at
eak
cross
he ransformer
ore
without threading
th e
primary
and secondary
coils
s called
Magnetic
eakage?
THAT whenever an
mateur
ells ou is
ange
s , 0 1 X 1 miles, t
will
e
ecessary
o ak e
quare
oot
f
bis umber
and
divide
th e
answer
by
four
in order
to
ge l
is
correct range?
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4ii
PACI I'M
ADIO
I-AVS
Custom
Mde
pparatus
Embodying he Latest mprovements
In
Radio
Detectors,
Receiving,
and
ransmitting
ets
| mm mm| *B
-
X.
i L.
i
vm
/MA
K
x}
Type
A-U.
00-4000 .
rice, 90.00
Tuner ype , 000-12
000 60.00
"De
Luxe"
Tuner
Type.
200-15.000 160.00
Special elected
Vacuum
Tubes
as
supplied
with
above
pparatus,
prepaid
7.50
Information
nd
rices
on uners.
Valve
Detectors,
Amplifiers
and Transmitters n equest
H
PRADO
Radio ngineer
7 9 8
POST
T .
N R A N C I S C O .
CAL.
When
writiic
o Advertisers
lease
neiilion
lils
Magazine
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PACIFIC
ADIO F A V S
4 1
CLASSIFIED DVERTISEMENTS
In
he
ebruary,
917,
issue
he
PACIFIC
ADIO
NEWS"
will
inaugurate
heir
lassified
dvertisement
ection. his
ection ill
classify
ds nder arious eads uch s
Agents.
ooks
nd
eriod-
icals, usiness pportunities, ameras, hotography nd upplies,
Coins
nd
tamps,
lectrical,
ormulas,
or
ale, nventors
nd
Inventions,
Machinery
odels
and
Tools. M iscellaneous, Motorcycles,
Motion
Picture
Plays,
M otors,
Engines,
Generators
etc..
Music.
Songs.
Musical nstruction,
atents,
atent ttorneys, ennants,
ictures
and
ostcards, rinting ultigraphing
nd ngraving,
elegraphy,
Typewriters nd
upplies, WIRELESS,
elp Wanted, nd
s
many
more
heads
as
are demanded.
T h e ates are cents
er
word
net.
emittance, n he orm
f
currency,
money
order
or
stamps,
must
ccompany
h e
copy.
dver-
tisements
or the ebruary,
917,
ssue must each
s
before
January
1st
n
order o nsure
lassification.
n ounting words ount ame
and
address.
T h e
"PACIFIC ADIO
E W S " ,
being
he
nly
ublication eal-
ing
with
he
art f
adio elegraphy
nd adio ngineering n he
Pacific
Coast
nd
ot eing onnected
with
ny corporations which
prejudice
h e ditorial olicy f he ublication,
njoys
irculation
far
xceeding hat
f
ny
other ublication
f
ike ature nd with
prospects
of
gaining
an
even arger
circulation.
t
will pay you
to
try
this advertising section.
PACIFIC ADIO
UBLISHING O.
5 0 M A IN
ST. ,
S AN
F R A N C I S C O ,
CAL.
a
ow
5
e
WRELESS
fellow
Amateurs
QS T s
the
mateur maga-
zine;
the contents are written
fo r
us
mateurs,
y
amateurs
who
now
he Real Dope".
QST
with
its
sixty-four
pages
of adio
rticles
s he
nly
thoroughly mateur ireless
magazine. rder oday
nd
see.
$1.00
per
year; 0
cents
per
opy
The
Q S T
Publishing Company, Inc.
2 5 akland errace,
Hartford,
Conn.
v
i/t'si
s?
-/
&
This
fellow
reads
"D
5T
When
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4-' ACIFIC
ADIO EWS
16^0 S$H^BtSiK 5l55$=5iR3£E
ELECTRIC ONDENSERS OR RODUCING
IGH
FREQUENCY LTERNATING URRENTS
—and—
The
orious
ays t d
P
H
will e he pecial eatures
f
the
FEBRUARY
SSUE
Extracts
ro m
he og ook,
ide-Splitting
artoons, oetry,
nd
a
ew
nteresting
stories written
by the
ld
Timers"
SUBSCRIBE
ODAY
T he well nown adio
Engineers
re writing or
his magazine
WRITTEN
O
HAT
V E R Y B O D Y
AN
UNDERSTAND T
N ot
echnical
angle,
not
Simple
imon"
tory ook, ut
magazine hat
ill et he ntire adio world hinking
Send your dollar
TOD A Y,
you
will
be
ure
to orget t tomorrow.
Please
o
ot
end
tamps.
Tear long this line.
pacific
\a6lo
P.
.
FENNER, Manager
5 0
M A I N
STREET.
AN R A N C I S C O .
CAL.
9.
I ereby
ubscribe
o he PACIFIC
ADIO EWS" or
ears
o
tart
ith
he ssue.
Subscription
rate:
igned
$1.00
per
ear,
0
treet
payable n dvance.
ity
r own
Make all hecks ayable o h e
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adio
ublishing
o.
tate.
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PACIFIC ADIO
EWS 3
A
HEART
TO
HEART
TALK
WITH
OUR
ADVERTISERS
To
begin
at
the
beginning,
the
editorial and managing staff
of
he
Pacific Radio News" wishes
o
hank
he
advertisers
who have avored us
with
advertisements for the
first
ssue 01
this
magazine.
ithout
the
slightest
doubt, ew
of
our
adver-
tisers
really
knew what
the
initial issue
of
this
magazine
would
amount
o, nd e eel
assured hat ll f ur
claims
ave
been
ustified.
As
reviously
tated, his agazine
ill
e
ublished
monthly
f
he
equired
umber
f
dvertisements
re
e-
ceived,
he
circulation
of
he
magazine
will
ncrease,
and
he
manufacturer
will
ertainly eceive is
hare
f
he
enefit.
Without
dvertisements
t
ould
be
mpossible o
ublish
magazine f
uch roportions
as he Pacific adio ews,"
and were it not
for
the
fact that our
advertisers
were far-seeing
men,
hey
ould ot ave
avored
s
ith heir dvertise-
ments. hey were all well aware of
the
act hat he pubiica-
tion
would be
a huge uccess
and
have
done
everything
pos-
sible to make t
so.
his magazine will have one
of
he largest
subscription ists of
any
of its kind
in
existence,
we
can
safely
guarantee
wice
he
irculation
ithin he
ourse
f hree
months.
adio
and
electrical
men
rom
all
parts
of
he
coun-
try
will subscribe
o
t and
ull eturns
or
all
advertisements
will
e sure to follow.
e
equest all manufacturers o write
for
our advertising proposition
at
once
n
order
hat
better
magazine
may be published. t
s
almost next
o
mpossible
to
each all manufacturers
n
he
country
even
though
a arge
majority
have
been
notified
of he
publication
of he
Pacific
Radio ews."
Any
advertisement
that
will
be
of
general
nterest
to radio,
electrical nd elegraph
perators,
ill
e
ublished
n he
magazine.
Get
n
ouch with our Advertising
Manager,
0
Main
St.,
San
Francisco.
Cal.,
and ask or our
excellent
proposition
e-
garding
advertisements.
Start
he
New
Year ight,
ubscribe
o he
acific
Radio ews,
et
he
ACTS—read
he
ascinating
stories
nd
housand nd
ne
ther
hings hat
ill
make his
publication he
greatest
uthority
on
Radio
Communication
n
he
Cnited
tates.
Make his
your
irst and greatest New
Year's
eso-
lution.
ou re oing
ourself
reat
njustice
y
neglecting
o
subscribe
at
O N C E ,
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ids
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- 1 4
PACIKIC
ADIO
K W S
A
Proposition
Worth
Considering
W e
have
introduced
th e best
radio
publication to
our readers
and
th e
next great
tep
to
ake owards
ncreasing
he ircula-
tion f
this magazine
will e
to
appoint
a
umber
of live adver-
tising
nd
ubscription
gents.
f
ou
re
nterested
n
h is
magazine,
if
ou wish o make ittle ide money uring your
spare
ime, f
ou
ish
o
ak e
h is agazine
he reatest
authority
n adio ommunication, rite mmediately o ur
general ffice
asking or
information s egards our
advertising
and ubscription cheme, nd we
will
t
nc e
upply
ou
with
th e
ecessary material nd nformation. e ave n xcellent
proposition
o ffer ertain f
ur
iv e eaders: e
ish
o
establish
an
agency
in
every
city
and
county
of
th e
United
States
in
rder
hat
our
subscription
ist
will
assume
huge
roportions
thus
aising he uality
f
ur ublication. his agazine
was ublished
t
he
ritical
oment, nothing f ny alue o
this
ublication
was
ee
side,
arge
ums
f
money
were
x -
pended
n
order
o
iv e
ur
readers
th e
greatest
adio magazine
published. h e iz e nd uality
f
h e magazine will
ro w
s
soon
as
th e
required
number
of
subscriptions
and
advertisements
are eceived; nly irst lass articles will e ublished nd
ec -
essarily
nly
he est
en
ill
e
ppointed o
anage
he
subscription nd dvertising gencies
hruout
he ountry.
Eastern
agents
are as
desirable
as
Western
agents.
h e mag
azine lthough acific
oast
ublication ill e
ead
with
more
nterest
y
Eastern
ubscribers
han
y
ocal
ubscribers,
simply
ue
o
h e
act
hat
ery
ittle
estern
ews
s
ub-
lished
n astern
agazines.
ubscription
lanks, dvertising
contracts, circular etters nd other material
will
e upplied
o
th e first enthusiast
of
every
locality
who
sends
us
h is
name
and
address,
and who s n osition o nsure atisfactory eturns
for
h is
magazine.
For
ull
etails
and nformation write:
P.
. FENNER,
usiness
Manager Pacific
adio
ews'".
5 0 Main treet, an
rancisco.
Cal.
ype A rystaloi
We
re
entral
West
epre-
sentatives or
E.T.
TurneyApparatus
W
e
an
ive
ou
rompt
service nd
guarantee
atisfac-
tion. et
s ave our ext
order.
Radio Distributing
Co.
Department
E
LOMBARD
LLINOIS
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PACIFIC ADIO EWS
5
k
plVT
\
pecially
elected Crystals
for
Wireless
Use
TESTED RYSTALS
TWENTY ENTS
PER UNCE
D
MGOWN
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orty-seventh
Ave. an
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BIGGER and BETTER THAN VER
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hose ho
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nd
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irclcss. h e
"How-to-Make 1 1 "
agazine, lmek
ull
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expcriinenIs nd
h e
au-st leerrical
rogress,
loremosl
ulliority
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lie
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fficial
rgan f he adio
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f
merica.
ver
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illi
ver
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rlicles
n
ac h
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eeping breast
ith
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imes
unless ou
ead
h e
lectrical
xperimenter.
O ne
opy ill onvince ou .
vefy
ssue lso
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nd
ost
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h at ill
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$1.50
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year
Send 5c or 3 Numbers
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opy
THE
ELECTRCAL
EXPERMENTER
23 3 ULTON
TREET.
EW
ORK
Eectrica
Experimenter
a-"
You
ay
earn
heory,
ode
nd
aws
f
adio
Communication n ur chool r t our ome
titling you
for positions
paying
good
salaries
with won-
derful
hance
o
ravel
he
world over.
t's
he
must
Interesting
rofession nown
nd
he
emand
or
skilled
operators
la
increasing. end
stamp
for
catalog
giving tacts.
esident
classes
open Oct. n d .
N A T I O N A L
R A D I O
S C H O O L ,
4 0 9 0 . S t . , N . W , , Was h i n g t o n , 0 , C .
W A S H I N G T O N
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4 t i
PACI I'lC ADIO EWS
Importan
Announcemen
of Advance Rates n January st, 917
To
WrelessAge
Subscribers
This
s our Last
Chance
to
Snbscribe
at
be Old Rates
The aper
o n which H E
WIRELESS
AGE s printed as
advanced
ur-
ing
th e past
year
over
1 0 0 %
n
cost
to
us.
e
are
unable
to
hold
ou r
present
subscription
rice
any
longer.
or
a hort
time
we will ccept
subscriptions
at
ld
ates.
rom
ow
p
o
anuary
st,
9 1 7 ,
ONLY,
we
will
ccept
special
re-publicatlon
ffer
made
elow
or
our
new
ooks,
which
we
will
soon ring ut:—
D r . Goldsmith
f
he nstitute
f
adio
ngineers,
nd
irector
of
he
Radio aboratory f the ollege f
th e
City of ew York, as
for
th e
ast
year
een
onducting xhaustive
esearch
work n
adio
elephony.
e
has
ade
iscoveries
f reat mportance.
he
esults
f
h is
esearch
work
will e resented xclusively n H E
WIRELESS
AGE
n eries f
articles
eginning n anuary,
9 1 7 ,
ssue. he
omplete
eries,
rofusely
illustrated, will
e
ublished
n ook
orm
arly n 9 1 7 . rice n
loth,
$ 1 . 2 5
per
copy.
eady
arly
n
9 1 7 .
M r .
. .
ucher,
nstructing
ngineer
n
harge
f
th e
Marconi
chool
of nstruction,
as
ust
ompleted n ndispensable ook
or ll
ireless
operators nd
mateurs who esire
o
now
what's what
n
he atest
nd
most
dvanced
ommercial
wireless
ractice.
he
ook, alled Practical
Wireless
elegraphy." s ery ompletely llustrated, nd
overs
escrip-
tions,
nstructions,
nd
andling
f
ll
he
ewest
ypes
f
ommercial
apparatus,
much
of
which
is
just
going nto
use, nd
some
of
which
will
oi
b e
ctually
eady or se
ntil
9 1 7 .
his
ook
s
a
omplete
perator's
Instruction ook
n which very
etail
he ommercial perator eeds o
know is fully and
thoroughly
covered.
rice,
$ 1 . 2 5 per
copy, I n
cloth. eady
about
January
st.
Major
.
ndrew
hite,
hief
ignal
fficer
f
he
unior merican
Guard,
and
Editor
of
TH E
WIRELESS
AGE,
has been
at
work
many
months
to
f i l l
ong
felt
want
of
a Military
ignal
Corps
nstruction
ook, repared
especially to enable the ational Amateur Wireless Association o carry ut
one
of
the
principal urposes
of ts
organization—the
Third ine
of ational
Defense.
his
ook
s
erhaps
he ost mportant ne we will ublish.
There
s o
ignal
Corps
ook
n
xistence
oday h at overs n nything
like
n
dequate
way
he
nformation
iven n h is ook.
rice,
0 c . er
copy. eady n
anuary.
SPECIAL
N ADVANCE
OF UBLICATION UBSCRIPTION
OFFERS
G O O D
ONLY
O
ANUARY
st,
1 9 1 7
With
fter
WIRELESS
AGE
an .
One Year
st
D r .
oldsmith's
Radio
elephony"
1.25
2 . 2 5
2 . 7 5
Mr. . . ucher's Practical
ireless
Telegraphy" 1 . 2 5
2 . 2 5
2 . 7 6
Major White's
"Military
Signal Corps
Manual"
5 0
1 . 7 5
2 . 2 5
OTHER UBSCRIPTION
OFFERS
1 9 1 6
ear
ook
f
Wireless
elegraphy
Telephony 1 - 5 0
2 . 2 5
2 . 7 5
1 9 1 5
and 1 9 1 6
Year
ook
1
copy
each) 3 . 0 0
3 . 5 0
How
o
ass .
.
overnment ireless
License
xams 0 1 . 6 0 2 . 1 0
How
o
Conduct
adio
Club
0 1 . 6 0 2 . 1 0
These
offers
are
open
o
oth
ew
nd
ld
ubscribers.
The
Wreless Age
2 Broad
'
N
w
Yorfe
When
writing
o Advertisers lease
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PACIFIC ADIO F . W S
4 7
The Publishers
of
the
Pacific
Radio
News
extend heir est wshes or
iitem Cirtstmas
and a
Nan far
to
he
readers
of
his
Magazine
A V I i p n
writing
" Aiivprtisers
lease
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iiis
Magazine
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4 S
PACIFIC ADIO FAVS
VEREADy
Non-Sulphating
torage
attery
• V I K
- I V
S t a L n m
BEST
OR
ADIO
ERVICE
Its
on-sulphating eature
akes
t
spe-
cially
desirable,
as
t
does
away
with
egular
periodic echarging
and vercharging
o re-
vent
his
deadly element
causing
uination o
the
attery. t nsures aintaining
he ull
porosity of he plates; prevents oss of capac-
ity
and
fficiency,
nd
nsures
onger
ife.
Definite uarantee
For
Starting Service,
18 onths.
or
Ignition
nd
ight-
ing
Service,
years.
American Ever Ready Works
National Carbon Company
SAN RANCISCO OS
NGELES
1
; §
1
i
W 1 1 f
•
i
iilin^
t'
d
veil
Isers lease
iienlioii
lils
Magazine
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BIG
HNGS AHEAD
for men
wlio are deterimneci
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ucceed
One f Ke inest
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America
s
ow
eing
nstalled
t
Heald ngineering
cfiool
tKe
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e lie ast word
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Rad10—nothing
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tbe world—
ask
or full
nformation—
i
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