F. M. Greenleaf Littleton N.H. Cary Standard Log Rule calibrations

Haselton’s Eagle Trade Mark

Saco River RuleCalibrations

John Humphrey Keene N.H. Decimal Board Measure

E.S. Lane caliper aluminum caliper L castingClarence Blanchard Collection

E.S. Lane Upton Me. walking wheel mark

Andrew Fabian Maine Log Rule Bangor Me.

V. Fabian & Son Maine Log Rule Milo Jct. Me.

V. Jones Bangor Me. mark

L.B. Sargent Lincoln N.H. log caliper with state inspection seals

William Greenleaf log rule mark

Sargent’s log caliper inspection board State of N.H.

George Younglove Fitchburg Ma. mark

G.B. Sanborn Bristol N.H. log caliper mark

T.R. Hoyt Goftstown N.H. log rule 1857 eagle mark

Hoyt-Taggert transition mark 1890

D. Butterworth Cumberland Me. walking wheel mark brass hub

Aaron Greenwood Gardner Ma. mark

F.M. GreenleafBelmont Ma. brasshardware G casting

Charles Holland Maine Log Rule Bangor Me.

E.S. Lane Upton Me. DecimalLog Caliper Calibrations

Asa Norton’s Log Rule Bangor Me. 1850

Simon Noyes Lisbon N.H. log calipersbrass hardward N casting

William Wheeler Littleton N.H. Brass hardware

E.S. Lane’s wheel making jig

Simon Noyes early mark

J.H. Cary New Salem Ma. Log Caliper mark

William Greenleaf Littleton N.H. log caliper brasshardware bullet cut-out

Charles GouldLittleton N .H.log caliper brasshardware Diamondcut-out

Cyrus GouldWhitefield N.H.

Log Caliper earlybrass hearware

William Cushman Andover Me. walking wheel mark

C.W. Grover Caratunk Me. walkingwheel mark brass hub

C.W. Grover Pleasant Pond Me. walking wheel mark wood hub

D. Butterwworth Cumberland Me.Walking wheel mark wood hub

Haselton Groton N.H. log rule mark

Gould Family log caliper beam calibrations, unique

F. M. Greenleaf Belmont Ma. Log Caliper mark

A.B. French Hamden Me. log rule marks