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CHANDRA SCIENTIFIC INDUSTRIES Page no

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TIN No. 07590049084 PAN No. AAFPD 1857 R

CHANDRA SCIENTIFIC INDUSTRIES 19, ANSARI MARKET, DARYA GANJ, NEW DELHI – 110 002

Phone –Off: - 23277342, 23281177, Fax- 23277342 Ph. Resi: - 22376774 (M) 9810094773 web: www.csidua.com Email- [email protected]

SUPPLIERS OF ALL TYPE OF SCIENTIFIC GOODS & CHEMICALS ETC PHYSICS-- List (2014-15) Ref. No. CSI/14-15/0 Dated To, The Principal, Dear Sir/Madam, We are in receipt of your valued inquiry No. dt. and beg to quote below our lowest rates, we hope you will find our rates most reasonable and favor us with your valued orders.

Mechanics & Properties of Matter 1 Meter Scale full : a) Routine Quality Each b) Superior Quality well finished Each

c) Stainless Steel Each

2 Meter Scale Half : a) Routine Quality Each b) Superior Quality well finished Each

c) Stainless Steel 24'' (60 cm) Each


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3 Vernier Calliper : i) Demonstration model, Wooden Large Each ii)a) Good quality fitted with Wheel Each

b) ‘CSI’ Superior made of Stainless steel in case Each c) ‘CSI’ I.M.E. English type 6". In case. Each

d) Imported, well finished, Stainless Steel in Case. Each e) Imported, well finished, Stainless Steel in Case. Digital Each

4 Screw Gauge : i) Demonstration type, large all metal Each ii)a) ‘CSI’ With ratched steel rod, Good quality

Size 10mm 15mm 20mm 25mm Rate

Each

b) ‘CSI’ Superior with Stainless-Steel rod Size 10mm 15mm 20mm 25mm Rate

Each

d) Imported, Well finished. 25mm Stainless Steel in Case. Each

e) Imported, Well finished. 25mm Stainless Steel in Case. Digital Each 5 Spherometer : 1/100 i) Demonstration Model, large, all metal Each ii)a) i) ‘CSI’ Good Quality, Brass disc Each

ii) ‘CSI’ Good Quality, Double disc Superior Each


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b) Brass scale, with stainless-Steel screw, extra superior quality i) ‘CSI’ Single disc Each ii) ‘CSI’ Superior Double disc Each 6 a) Cylinders of different metals : Set of six ‘CSI’

Size 1x2.5 cm 1x4 cm. 1x5 cm. Rate

Set

b) Hollow cylinders: Set. of 6. diff. sizes Set c) Cylinder: size 4”x1” with hook. For Archmedies experiment Each 7 Cubes ( Blocks) of different metals : Set of six ‘CSI’

Size 1 cm. 2 cm. 2.5. cm. Rate

Set

8 Cubes ( Blocks): Set of 4. diff. metals, size: 2 cm Set 9 Geometrical Models & Figures: Wooden, Set of 12. Cube, Square, Hexagonal,

Triangle, Prism, Pyramid, Cylinder, cone, Sphere etc. ‘CSI’

a) Size 5x10cm. Yellow Pointed. Set b) Size 10x15cm. Multicolor. Set c) Size 15x30cm. Multicolor Set

10 Pendulum Bob : with hook ‘CSI’ i) Dia. 3/4"(18mm) 1"(25mm) a) Brass Each b) Iron Each

ii) Pendulum bobs: (Spheres of Different metals). Set of six. ‘CSI’ Dia. 12mm 18mm 25mm Rate Set


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11 Plumb line : Brass Each

12 Over flow vessel : a) Plastic Each b) Borosil glass 250ml Each c) Copper. Size 3”x4”. Each

13 Wooden wedges : ‘CSI’ a) Small, Sonometer type, Teak wood, Each b) Large 15 cm. high (approx) Each

14 Wooden Bridges : ‘CSI’ Each 15a) Wooden Block with hook. Routine quality Each b) Wooden Block with hook. Teak wood, Superior thick 2 cm (approx) Each

16 Wooden Tray with hook. Teak Wood. Superior. Each 17 Bucket & cylinder : Good Quality Each

18 Specific Gravity Bottle: Cap. 25ml. 50 ml. Borosilicate glass, Superior Each

19 'U' tube Apparatus (Open Ended Manometer) a) Routine quality with Glass tube. Each b) ‘CSI’ Extra Superior, teak wood well polished with glass tube of Borosil glass Each


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20 Lactometer : a) Routine quality Each b) Superior. Tel-True make. Each

21 Pulleys : Aluminum with Brass frame fitted with hook Single Double Parallel/long Triple Parallel/long Rate

Each

22 Z Pulley Each 23 Lab Electronic Balance: Digital Direct weighing. ‘CSI’ a) Cap. 500gm Sensitivity 0.1gm (100mg). Routine quality, small size Each b) Cap. 600gm Sensitivity 0.1gm (100mg). Superior. quality, small size Each

c) Cap. 300gm Sensitivity 0.01gm (10mg) Routine quality, small size Each

d) Cap. 300gm Sensitivity 0.01gm (10mg) with re-chargeable battery back-up superior quality

Each

e) Cap. 300gm Sensitivity 0.005gm (5mg) with re-chargeable battery back-up superior quality

Each

24 Physical Balance: Cap. 250 gm. ‘CSI’ Very Superior Varanasi make, in teak wood well polished case having

glass on 5 sides with frond Double divided doors. Each


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25 Weight Box : Physical 1mgm-100gm with forceps a) Good quality Brass N.P. weights Each b) Superior quality Brass N.P. weights ,‘CSI’ .Well finished Each

26 Fractional weight: Analytical, 1 mgm-500 mgm. Each

27 Stop clock: 'Smith English type' with stop, start & fly back action. a) Fitted with good quality machine. Each b) Superior SMITH make, fitted with superior quality machine Each

28 Timer : Digital Each 29a) Levers of three orders: ‘CSI’ Wooden .consisting of one stand and three scales. Set b) Levers of three orders: ‘CSI’ Metallic .consisting of one stand and scale, with

Two hangers` Set

30 Stop Watch : a) Electronic Digital 1/100th Sec. Imported. Routine quality Each b) Electronic Digital 1/100th Sec. Racer India. Superior Each

c) Mechanical 1/10th sec. metal body. Superior quality Each

31 Young's Modulus Apparatus: ‘CSI’ Searl’s Pattern, fitted with Spherometer & spirit level. Complete with tension weight and clamp for wires. Well finished

Each

32 Wooden Wall Bracket for Young’s Modulas. Each


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33 Slotted weights: Set of 5 including hanger. Iron ‘CSI’ a) Each Weight of 10gm (5x10gm) Chrome Plated Set b) Each Weight of 20 gm (5x20gm) Chrome Plated Set c) Each Weight of 50gms (5x50gm) Chrome Plated Set d) Each Weight of 100gm (5x100gm) Chrome Plated Set e) Each Weight of 250gm (5x250gm) Black Painted Set f) Each Weight of 500gm (5x500gm) Black Painted Set g) Each weight of 1Kg (5x1Kg) Black Painted Set

34 Boyle's Law Apparatus : a) 'CSI' superior quality, open & closed type one meter long teak wood board on

heavy metal base fitted with leveling screws. Without Mercury but complete with pressure rubber tubing & glass tubes.

Each

b) Routine quality, Double Rod with Open & Closed end tubes & Pressure tubing but without Mercury.

Each

35 Mercury Metal : (Rates subject to change at the time of supply) a) Good quality ½ Kg b) Double distilled, lead free ½ Kg c) Double distilled, lead free 100gm 36 Inclined Plane: 50 cm long a) Superior quality with sun mica top fitted with Brass arc Pan & Iron N.P roller Each b) 'CSI' Very Superior quality having thick teak wood base, fitted with glass plate,

complete with brass arc, leveling screws pan and Iron N.P roller Export quality. Heavy pattern.

Each

37 Double inclined plane: (Galileo's experiment) : 'CSI' Superior teak wood, well polished. Complete with two wooden blocks & one spherical steel ball 2.5 cm dia

Each


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38 Friction Board : 'CSI' 1mt. long for trolley Expt. Teak wood well polished base with sun-mica top fitted with pulley on one side

Each

39 Trolley : 'CSI' fitted with ball-bearing Each 40 Aneroid Barometer : ‘ESAL’ make, Superior a) Demonstration type, transparent on all sides Each b) German type. Wall pattern. Each

41 Fortin's Barometer: Without Mercury. a) Aluminum pipe & Aluminum parts. Each b) 'CSI' Superior quality brass parts. Each c) 'CSI' Standard 'DARTONS USA type' All parts Brass fitted with thermometer,

glass parts made of ‘Borosil glass’ .Extra Superior. Each

42 Mercury metal for above fortin's Barometers, if required. (Extra) 1/2Kg 43 Show case for Fortin's Barometer: 'CSI' Teak wood having glass on three sides

with locking arrangement. Each

44 Parallelogram of Forces Apparatus: 'CSI' Wooden board fitted with two 'Z' pulleys, three set of iron N.P. slotted weights. (Portable Pattern)

Each

45 Viscosity Apparatus: 'CSI' Stoke's Method. All metal fitted with meter scale well finished, With 'Borosil glass' tube

Each

46a) Rising Table: ‘CSI’ superior quality, fitted with slow motion for easy movement, fitted with plate at the top, on heavy metal base.

Each

b) Rising Table: ‘CSI’ Extra superior quality, fitted with slow motion for easy movement, fitted with plate at the top, on heavy metal base, complete with capillary tube holder, rod & boss-head.

Each

47 Capillary tube holder:- Metallic, To hold three capillaries with pointer Each


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48 Bar Pendulum or Compound Pendulum: 'CSI' a) Consisting of a steel bar 100 cm. long bored at equal intervals with two

removable knife edges and wall bracket Each

b) Consisting of a stainless steel bar 100 cm. long bored at equal intervals with two removable knife edges and wall bracket.

Each

49 Spring Balance : 100gm,250gm,500gm,1000gms.(Any One) a) Good Quality Plastic body Each b) Extra Superior, Round transparent acrylic tube. Each

50 Loose Weights: Physical. BRASS 1gm 2gm 5gm 10gm 20gm 50gm 100gm Rate

Each

51 Hook's Law : On metal stand with Mirror Scale a) Small With Weights. Each b) 'CSI' Superior on heavy base, about 45 cm high for taking more readings,

complete with weights. Each

52 Helical Spring: Light spiral spring with pointer, easy to work with 50 gm. weight. Complete with hook for hanging.

Each

53a) Sprit Level : Size 4” Each b) Sprit Level : Size 6” Each

HEAT

54 Thermometer : i) 110o C . Good Quality. . alcohol filled Each ii) ‘CSI’ Superior quality, accuracy guaranteed. 110o C x 1/2o C. Alcohol filled Each iii) ‘CSI’ Superior quality, accuracy guaranteed. 110o C x 1/2o C. Mercury filled Each b) 110o C x 1/5o C . Mercury filled Each c) 110o C x 1/10o C. Mercury filled Each d) 360o C . Mercury filled Each e) Digital, Imported. Rod type Each 55 Clinical Thermometer a) Routine Quality Each b) Superior accurate Each c) Digital, Imported. Pen Rod Type Each

56 Wall Thermometer : a) Good quality on plastic plate Each b) Superior quality on wooden plate Each c) Dial type fitted with pointer 550C fitted with imported movements 100mm dia. Each


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57 Wet & Dry Thermometer : a) Fitted on acrylic screen printed Scales Routine quality Each b) Superior, Fitted on Seasoned wood polished Scale, with humidity chart Each

c) Dimple brand: Mercury filled, round German white back thermometer mounted on anodized aluminum scale, fitted in plastic molded cover and shade ditto as per “ZEAL” with hygrometric table for computation of relative humidity.

Each

d) Extra Superior Zeal – Imported Each e) Thermo-Hygrometer: Digital, Imported Each 58 Maximum & Minimum Thermometer : a) Good quality Each b) Superior Accurate, on wooden plate Each

c) Zeal - Imported make Each 59 Copper Calorimeter: 'CSI' Complete with stirrer & thermometer holder in

wooden box. Well finished Each

60 Joule's Calorimeter : 'CSI' (Electrical) Consisting of calorimeter fitted in teak wood polished case with bakelite top having a hole for thermometer and stirrer, two terminals are connected to a coil of wire.

a) With 2" x 3" Copper calorimeter. Each b) With 3" x 4" Copper calorimeter. Each 61 Newton's Law of cooling apparatus : 'CSI' make Double walled, single calorimeter Each

62 Steam trap : Borosil glass Each


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63 Hypsometer: Copper. Size 20cm Each

64 Steam Boiler: Superior, Joint less Bottom, Capacity 1 Lit. Each 65 Ball and ring apparatus: With chain and wooden handle. Ball Medium size 3/4" Each

66 Bar and Gauge: With wooden handle. Superior Each

67 Bi Metallic Strip: With wooden handle. Superior Each

OPTICS

68I

Optical Bench: (Wooden bed-metal Riders):- One mt. Long wooden polished bed fitted with meter scale & two Iron C.P rods for smooth movement of riders. Provided with two fixed & two transverse slow motion riders. Complete with two Metallic lens holder & two Iron C.P Pins.

Each

69II Optical Bench: 'CSI' 1 mt. Long. All metal Double rod, one rod plain & one rod graduated. Complete with four riders, two of the riders fitted with transverse slow motion, two lens holders & two pins.

a) Superior quality, with well shapered & well finished heavy riders, heavy type Aluminum lens holders & thick Iron N.P Optical pins.

Each

b) Extra Superior, Both rods of brass pipe (rust-less) shafting inside. Complete with well shapered and well finished heavy riders, heavy type lens holders and thick N.P Optical pins, leveling screws and side knobs made of brass.

Each

c) Extra Superior, Both rods made of Stainless-steel pipe (rust-less) shafting inside. Complete with well shapered and well finished heavy riders, heavy type lens holders and thick N.P Optical pins, leveling screws and side knobs made of brass.

Each

III Senior Optical Bench: 'CSI’. 1 ½ mt. Long. All Metal Double rod, one rod plain & One rod graduated. Complete with four riders, two of the riders fitted with transverse slow motion, two lens holders and two pins.

a) Superior quality, with well shapered & well finished heavy riders, heavy type Aluminum lens holders & thick Iron N.P Optical pins.

Each


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b) Extra Superior, Both rods of brass pipe (rust-less) shafting inside. Complete with well shapered and well finished heavy riders, heavy type lens holders and thick N.P Optical pins, leveling screws and side knobs made of brass.

Each

c) Extra Superior, Both rods made of Stainless-steel pipe (rust-less) shafting inside Complete with well shapered and well finished heavy riders, heavy type lens holders and thick N.P Optical pins, leveling screws and side knobs made of brass.

Each

70 a)

Bi- Prism Assembly 'CSI' Comprising of the following : i) Two 1½ mt. steel rods 3/4" dia. Forming a bench with ends supports having levelling screws. ii) Bi-Prism holder. iii) Autocation holders iv) Optical slit: Optically by true precision ground stainless steel jaws. The jaws open uniformly all along through a milled head. v) Micrometer eye - piece: A ramsden 10 x eye piece carried on slide which moves along a micrometer screw. The movement is read along25-0-.25 mm steel scale and directly on a micrometer head to 0-001 cm. No back lash

Each

b) —do— with bench having nickelled brass pipe shafting instead of steel rods. Each

71 I

Mirror Convex optically true : Focal length 10, 15, 20, 25 or 30 cm Dia. 2” 3” 4” Rate

Each

II Mirror Concave optically true : Focal length 10, 15, 20, 25 or 30 cm Dia. 2” 3” 4” Rate

Each

72 Lense Concave : Optically true. Dia 2" 3" a) F.L. 5 cm. exact Each b) F.L. 10 cm. Each c) F.L. 15-30 cm. Each d) F.L. 50, 100 cm Each 73 Lense Convex : Optically true. Dia. 2" 3" a) F.L. 5 cm. exact Each b) F.L. 10 cm. Each c) F.L. 15-30 cm. Each d) F.L. 50, 100 cm Each

74 Plano Convex Lens : Dia. 2". FL- 20cm. Each 75 Prism glass : Equilateral. 1.5” 2" a) Routine Quality Each b) Extra Superior 1st Quality Each c) English Glass. bubble free Each


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76 Prism : For Spectrometer Size 25 x 25 32 x 32mm.

a) Crown glass Each b) Flint glass Each 77 Prism Hollow:. Made from ordinary glass plates, properly cemented with optical

cement.

a) Size 38x38mm Each b) Size 50x50mm Each 78 Fresnel's Bi-Prism a) Size 40 x 32 mm Each b) Size 50 x 40 mm. Each 79 Glass Slab : English glass (Sheet glass), Bubble-free a) Size 75x50x12 mm Each b) Size 75x50x18 mm Each c) Size 100x60x18 mm Each

80 Hollow glass slab: Size 75x50x18mm Each 81 Polaroid : A pair of Polaroid disc mounted in frame, Dia. 50 mm (2”) Pair

82 Traveling Microscope: For use in Horizontal & vertical type. The Microscope consists of Ramsden eye piece, cross wire and one objective achromatic lensed of highest quality. Travel 15cm Vernier reading to 0.02 mm. or 0.01 mm with case.

a) Superior quality scales made of stainless steel. Each b) 'CSI' Extra superior quality Heavy type with Brass accessories

stainless- steel scales Each

c) 'CSI' make. Deluxe model export quality. Extra Heavy type with Brass accessories . stainless- steel scales Well finished

Each

83 Traveling Microscope or Vernier Microscope: 'CSI' with vertical lateral and Horizontal scales (Three Motions). Heavy pattern. Fitted with coordinate attachment. An attachment is fitted to provide sliding motion to the microscope across the stage read by vernier, This laternal movement is in addition to the vertical and horizontal movements.

a) With Cast iron Bed. Good quality 'CSI' make Each b) 'CSI' make. Extra Superior Deluxe model export quality. Well finished Each


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84 Traveling Microscope for Newton's ring Experiment: 'CSI' make a) Bridge type, heavy pattern Each b) Newton Ring Microscope built with Newton ring apparatus ‘CSI’ Our latest

Export quality model. Each

85 a)

Newton's Ring Apparatus : 'CSI' for measuring the wave length of light by the reflections system a piece of glass plate angle in groove in the sides of a small wooden box at an angle of 45o inside back and a plane glass plate and lense 2" dia. Plated on the base.

Each

b) Spare pair of lenses with frame of Newton’s Ring experiment pair 86 Sextant: 'CSI' 6-7/16" radius. The Brass scale is divided to 130 degree with

vernier reading to 12 seconds. Complete with inverting telescope & wooden box. Each

87 Sextant Stand : 'CSI' Extra Heavy Each 88 Spectrometer: 'CSI' the Heavy cast iron base is provided with achromatic

objective having 7" focus and 1" apparture. The Instrument is supplied complete with prism clamps, grating holder and with nicely polished wooden case. 1 min.

a) Dia 6” College Pattern Superior quality. Each b) Dia 6” College Pattern Deluxe Model, Very Superior quality, Heavy pattern. Each

89 Diffraction grating : 15,000 lines per inch a) Indian good quality Each b) Heliger make. Imported Each

90 Mercury Vapor Lamp: 125 watt a) Complete with Choke. Each b) Lamp Only (spare). Each c) Choke only (spare). Each


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91 Sodium Vapor Lamp: 35 watt. Imported a) Complete with Transformer Each b) Lamp Only (spare). Each c) Transformer only (spare). Each

92 Dark Box: 'CSI' for sodium or Mercury Vapor lamp, made of teak wood, well polished.

Each

93 Reading Telescope 'CSI' fitted with Achromatic lenses a) Superior quality with brass parts. Each b) Very Superior with clamp & Scale, heavy pattern, Special clamp is provided for

up & down motion Each

94 Astronomical/Terrestrial Telescope: CSI' a) Imported, Small size. Superior Each b) Very Superior- Powerful. Imported large size Each

95 Slits: 'CSI' Adjustable a) Adjustable Screw type. Single with rod can be fixed on optical bench Each b) Adjustable Screw type. Double with rod can be fixed on optical bench Each c) Drum type (Graduated) can be fixed on reading telescope. Each 96 Ground Glass Screen: 'CSI' Superior quality. 6" x 4" Each 97 Candle holder: metallic for optical bench Each 98 Plain Mirror Strip : Size.10x2.5 cm. 10 x 4cm. 10 x 5 cm. Superior quality.

Highly silvered Copper back Doz

99 Mirror Strip Holder : Plastic Each 100 a)

Over Head Projector: 'CSI' Good quality having 250 x 250 mm writing surface with rack and pinion focusing system. Fitted with exhaust fan for cooling. Complete set in card board box.

Each

b) Over Head Projector: 'CSI' Very Superior quality. All sheet metal body with synthetic finish, Halogen bulb of 24V-250 watt A.C. shines through high resolution optics to project sharp images uniformly, fresnal condenser lens, 25x25 cm stage aperture, two-way acetate roller attachment, fixed square column with rack and pinion focus by knobs, and thermo control exhaust fan for cooling. Complete with acetate sheet. Double lamp

Each


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d) Accessories for over head Projectors : i) Plain Transparencies for O.H.P (pack of 100) Pkt ii) Spare writing pen (Different colors) for O.H.P. Each iii) Writing pen Imported (Set of 7) with Eraser, Set b) Slide projector: Automatic with remote control. Imported Each 101a)

Projection Screen: ‘CSI’ With sturdy collapsible metal stand. The screen rolls up & down smoothly in the metal case by spring action winding. Screen size : 52” x 70”

Each

b) Projection Screen map type wall hanging Each 102 Projection Slides: For Film strip Projector 5 x 5 cm colored. On Physics topics Each b) Transparencies: For Over Head Projector colored. Each 103 Magnifier : 2" 3" 4" a) Superior with metal N.P. handle Each b) Extra Superior powerful Each c) Dia 6" with round florescent white light tube and transformer on stand very

useful for lab use. Each

104 Ray Box:- Die casted stove hammer tone finished fitted with light source (12 V lamp) complete with slit and cylindrical lenses size:50x45mm

Each

105 Filter red, blue, green, yellow (set of four) Set

SOUND & WAVES 106 Melde's Apparatus: 'CSI' Electrically maintained tuning fork heavy pattern

large size, complete with pan & pulley. Each

107 Resonance Tube Apparatus : a) Routine quality, tube dia 25mm St-steel/Brass N.P. with St-steel/brass reservior. Each b) Routine quality, tube dia 35mm St-steel/Brass N.P. with St-steel/brass reservior. Each c) CSI’ on heavy metal base fitted with leveling screws thick teak wood board, 1

meter long fitted with Brass tube 25mm dia and brass reservoir, Superior quality Each


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d) CSI’ on heavy metal base fitted with leveling screws thick teak wood board, 1 meter long fitted with Brass tube 35mm for loud sound of Echo & Brass reservoir. Extra superior quality

Each

108 Tuning fork set : Set of eight .256-512 Hz a) N.P. good quality Set

b) 'CSI' Ragg's type superior, Harmonic, Accurate Set c) 'CSI' Welch type accurate. Aluminium. Harmonic, Accurate Set d) Export quality Aluminium Large. Harmonic, Accurate Set 109 Tuning fork spare: Frequency 480, 512, Hz a) Routine Quality. Each b) Welch type, large size. Each c) Welch type, Extra heavy, Accurate. large size. Each 110 Rubber Pad: for tuning forks. Each 111 Rubber/Wooden hammer Each 112 Resonance box: wooden. For one tuning fork Each 113 Sonometer: 'CSI' Superior quality, Teak wood, well polished fitted with pulley,

meter scale, 2 wires & 2 sliding bridges. Without weights. Size 100 x 10 cm. Each

114 Apparatus to find the frequency of A.C. Mains: ‘CSI’ a sonometer, an electromagnet, step down Transformer & Slotted weight (5x50gm)

Each


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115 Ripple Tank : Superior quality fitted with Superior quality motor & accessories, acrylic Frame Each

116 Reflection of Sound Apparatus : Routine Quality. Degree Marked on Wooden Board. Having two metal Pipes.

Each

MAGNETISM

117 Bar Magnet : a) Permanent, magnet, Low power. 'ALNICO'.

Size 1.5" 2" 3" 4" Rate

Pair

b) Permanent Magnet, Powerful ALNICO. Well finished Size 2" 3" 4" Rate

Pair

c) ALNICO thick, Extra Strong quality(Very Powerful as good as English magnet). Size 2" 3" 4” Rate

Pair

118 'U' Shape Magnet: - 'ALNICO' Powerful, Size 2" 3" 4" Rate

Each

119 Electromagnet: For frequency of A.C. mains Experiment. a) U-Shape Each

b) Rod type, wounded on Iron Core fitted with wooden handle Each 120 Magnetic Compass:Both side glass 18 mm. dia., Extra superior export quality. Each 121 Magnetic Compass : One sick glass, one side aluminium

Dia 25mm 38mm 50mm 75mm 100mm Rate

Each

122 Magnetic Needle : a) Routine, on Plastic stand. Each b) Superior, On Aluminium stand. Each


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123 Dip Circle: 'CSI' Standard a) Aluminium Parts Each b) Brass Parts, superior quality Each

124 Deflection Magnetometer : a) Good quality, comprising of one Meter long bench with centre zero scale fitted,

having recess in centre of Compass box. Each

b) 'CSI' Export Quality. Thick teak wood well polished base fitted with brass levelling screws. Complete with compass box of best quality.

Each

125 Vibration Magnetometer: ’CSI’ Superior made of wood. Complete. Each

ELECTRICITY & ELECTRONICS

126 Step down Transformer: Good quality. In metal case. input 220 volt A.C. out

put 2-12 Volt A.C.

a) Current 1 Amp Each b) Current 2 Amp. Each c) Current 3 Amp. Each 127 Step down transformer: - 'CSI' Input 220 volt A.C. out put 2-12 Volt A.C. In

metal box fitted with heavy duty transformer (Guaranteed for one year for any Manufacturing defect).

a) Current 1 Amp. Each b) Current 2 Amp. Each c) Current 3 Amp. Each

128 Battery Eliminator: - Good quality. Input 220 volt A.C., output 0-12 v D.C. a) Current 300 mA. Routine quality Each b) Current 500 mA. Superior Each c) Current 1 Amp. Each d) Current 2 Amp. Each e) Current 3 Amp. Each


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129 Battery Eliminator: 'CSI' Input 220 volt A.C., output 0-12 v D.C. Extra Superior quality fitted with heavy duty transformer & long life Bridge Rectifier (Guaranteed for one year for any Manufacturing defects).

a) Current 1 Amp. Each b) Current 2 Amp. Each c) Current 3 Amp. Each d) Extra Superior. Regulator type fitted with Voltmeter. Current 1 Amp. Each

130 Ammeter: DC moving coils Range 1.5A, 3A, 5A or any other range required. a) Routine quality with Desk stand. Each b) ‘CSI’ Very Superior accurately calibrated MO-65 Round Shaped accuracy 1.5%

complete with sturdy desk stand having locking type socket terminals. Each

c) ‘CSI’ Extra Superior Square shape Our Deluxe Export Model DCF-80 fitted on ABS desk stand.

Each

d) OSAW makes. Accuracy 2.5 % with Works Test Certificate.Model-MO-65 Each e) Digital Ammeter ‘CSI’ DC 3 1/2 digit Accuracy + 0.5% Range 200 UA, 2MA,

200 MA, 2Amp, 10 Amp with stand. Each

131 Voltmeter: DC moving coil Range 1.5 V, 3V, 5V or any other range required a) Routine quality with Desk stand. Each b) ‘CSI’ Very Superior accurately calibrated MO-65 Round Shaped accuracy 1.5%



Each

d) OSAW makes. Accuracy 2.5 % with Works Test Certificate.Model-MO-65 Each e) Digital Voltmeter ‘CSI’ DC 3 1/2 digit Accuracy + 0.5% Range 200MV, 2V,

20V, 200V with stand. Each

132 Galvanometer : DC moving coil Range 30-0-30 a) Routine quality with Desk stand. Each b) ‘CSI’ Very Superior accurately calibrated MO-65 Round Shaped accuracy 1.5%



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Each

d) OSAW makes. Accuracy 2.5 % with Works Test Certificate.Model-MO-65 Each 133 Milliammeter: D.C. moving coil Range 0-100 mA, 250mA & 500 mA. a) Routine quality with Desk stand. Each b) ‘CSI’ Very Superior accurately calibrated MO-65 Round Shaped accuracy 1.5%



Each

d) OSAW makes. Accuracy 2.5 % with Works Test Certificate.Model-MO-65 Each 144 Millivoltmeter: D.C. moving coil Range 0-100 mV, 250mV & 500 mV. a) Routine quality with Desk stand. Each b) ‘CSI’ Very Superior accurately calibrated MO-65 Round Shaped accuracy 1.5%



Each

d) OSAW makes. Accuracy 2.5 % with Works Test Certificate.Model-MO-65 Each 135 Microammeter: D.C. moving coil Range 0-100 uA, 250uA & 500 uA. a) ‘CSI’ Very Superior accurately calibrated MO-65 Round Shaped accuracy 1.5%


b) ‘CSI’ Extra Superior Square shape Our Deluxe Export Model DCF-80 fitted on ABS desk stand.

Each

c) OSAW makes. Accuracy 2.5 % with Works Test Certificate.Model-MO-65 Each 136 Ammeter or Voltmeter: Pure A.C. (Not AC/DC): a) ‘CSI’ Very Superior accurately calibrated MO-65 Round Shaped accuracy 1.5%


b) ‘CSI’ Extra Superior Square shape Our Deluxe Export Model DCF-80 fitted on ABS desk stand.

Each


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137 Tangent Galvanometer : Having 2,50 and 500 turns, complete with compass a) Good quality with aluminum parts. Each b) Superior with brass parts. Each c) 'CSI' Extra superior, export quality. With brass parts Each

138 Ballistic Galvanometer: ‘CSI’ Resistance 500 ohms, period of oscillation 12 –15 second (OSAW type)

Each

139 Lamp & Scale: ‘CSI’ with transformer working lamp 6 volt. Each

140 Spot reflecting Galvanometer: ‘CSI’ built in lamp and scale, Working on 220 volt shunt power 1/10 and 1/1000 can be used with battery for low current.

Each

141 Resistance wire: SWG No. 24 26 28 30 32 a) Eurica/Constantan 250gm b) Nichrome wire 250gm c) Manganin. SWG 26 100gm

142 Resistance coil: In bakelite case 1, 2, 3, 5, 10, 20, 30, 50 or 100 ohms. Each

b) Resistance coil: in transparent acrylic tube, 2, 3, 5, 10 or 20 ohms. Each

143 Unknown Resistance: Bakelite case fitted with terminals. Each


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144 Copper Voltameter: 'CSI' Extra superior quality, bakelite top, complete with three thick copper plates, with terminals.

Each

145 Potentiometer: 4 wire. with Pencil type jockey a) Superior quality on ¾” compressed ply board, beautifully laminated fitted With

brass strips. Each

b) 'CSI' Extra Superior Export quality. thick teak wood board having sun-mica under the wires. Fitted with thick Brass strip.

Each

146 Potentiometer: 10 wire, with pencil type jockey. a) Superior quality on ¾” compressed ply board beautifully laminated fitted With

brass strips. Each

b) 'CSI'' Extra Superior Export quality. thick teak wood board having sun-mica under the wires. Fitted with thick Brass strip.

Each

147 Meter Bridge: (Carry Foster's Bridge) Four Gap with terminals. a) Superior quality on ¾” compressed ply board beautifully laminated fitted With

brass strips. Each

b) 'CSI' Extra Superior Export quality. thick teak wood .Fitted with thick Brass strip.

Each

148 'Post Office Box:- a) Plug type. Regular quality. Brass Blocks. Each b) ‘CSI’ make plug type having four ratio pairs of 1,10,100,1000 ohms. and 16 pairs

series ratio coils 1-5000 ohms infinity plug, total 11 to 110 ohms. Accurately calibrated are enclosed in golden lacquered and resistance's values are stamped on them. Two tapping key's with Silver Contacts are provided for battery and galvanometer. All the plugs are interchangeable.

Each

c) DIAL TYPE. 'CSI' provided with Ratio dials accuracy + 0.01 to 0.5% Each 149 Resistance Box (Plug Type) : a) Brass blocks. Interchangeable plugs. bakelite top, fitted in teak wood well

polished case . Good quality Range Constantan Manganin

0.1-10 ohms


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1-50 ohms Each 1-100 ohms Each 1-500 ohms Each 1-1,000 ohms Each 1-5,000 ohms Each 1-10,000 ohms Each b) 'CSI' make . extra superior as good as 'OSAW' accuracy 0.1%. thick Brass

Blocks Interchangeable plugs. bakelite top, fitted in teak wood well polished case . (Guaranteed for any Manufacturing defect) Range Constantan Manganin

0.1-10 ohms 1-50 ohms Each 1-100 ohms Each 1-500 ohms Each 1-1,000 ohms Each 1-5,000 ohms Each 1-10,000 ohms Each

150 Low Resistance Box (Fractional Resistance Box) : DIAL TYPE (two dials)

a) Good quality Range Constantan Manganin

0.01-1 ohm Each 0.1-10 ohm Each b) 'CSI' Make as good as 'OSAW' Extra Superior Accuracy 0.1%

Range Constantan Manganin

0.01-1 ohm Each 0.1-10 ohm Each

151 Resistance Box: DIAL TYPE. Four dials. ranges 1-10,000 ohms. Having dials of unit, tenths, hundreds & thousands ohms.

a) Good quality. i) Constantan coil

Each

ii) Manganin coil Each b) 'CSI' make Accuracy 0.1% four dials of units, tenths, hundreds & thousands

ohms range 1-10,000 ohms as good as 'OSAW' (Guaranteed for one year for any mechanical defects) i) Constantan coil

Each

ii) Manganin coil Each 152 Resistance Box: DIAL TYPE. Five dials range 1-1, 00,000 ohms. 'CSI' make

Accuracy 0.1% (as good as OSAW) with dials of units, tenth, hundreds, thousand & ten thousands.

i)Constantan coil Each ii)Manganin coil Each


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153 Transistor Characteristics Apparatus: 'CSI' For PNP & NPN

Two-in-one This apparatus is used to verify INPUT, OUTPUT & TRANSFER Characteristics of PNP/NPN transistor in common emitter/base mode. It is complete unit provided will all components, regulated power supply, meters etc. to perform experiment. FEATURES : a) Built in continuously variable regulated power Supply b) 4 Rectangular moving coil type meters are provided to monitor voltages & current. c) Rugged construction, compact unit provided with self explainatory User's Manual. d) Special interconnection leads are provided having 4 mm plugs (with spring action for firm contact) 10 Nos.

Each

154 PN Junction & Zener diode Characteristics Apparatus : 'CSI' for Forward, Reverse & Zener- combined

Three-in-one This Apparatus find application to verify : 1. V-I Characteristics of p-n Junction diode. (Silicon or Germanium) in Forward and reverse bias. 2. V-I Characteristics of Zener diode when connected in reverse bias. FEATURES : (a)Built-in Power supply. (b)One rectangular voltmeter and one milli-ammeter (Both meters are dual range) to monitor voltage & current. (c)Two p-n junction diodes, one in forward and other in reverse bias. (d)One Zener diode. (e)Special interconnection lead-5 No. s. (f)SPECIAL FEATURE: p-n Junction/Zener diodes are mounted from outside of panel so that they are visible from outside to students as well as easy to replace when teachers are interested to use any other diode.

Each

155 Charging & Discharging of Condenser Apparatus: 'CSI' three condensers & Resistance complete with power supply with circuit diagram, fitted with milliameter, &voltmeter.

Very Superior quality, with analog square Galvanometer & Digital Voltmeter. Each


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156 Regulated DC power supply : 0-30V: 'CSI' a) 1 Amp with 2 digital meters. Each b) 2 Amp with 2 digital meters. Each c) 3 Amp with 2 digital meters. Each

157 Cathode Ray Oscilloscope: 10 MHz. 'CSI'. Single trace CRT 70mm Vertical sensitivity: 5mV~ 5V / Div P/P

Each

158 Audio Oscillator : 'CSI' (Sine-Square) For use with Oscilloscopes Frequency range 20-200 KHZ output- 0-10 V.

Each

159 Logic Gates : b) 'CSI' Trainer (AND, OR, NOT, NAND, NOR Gates combined) with regulated

power supply of +5V/0.5 Amp. It consists of specially designed brass sockets of 2 mm inner dia complete functional diagram of each gate is engraved nicely, so that the students can make interconnections themselves and verify the truth table. Hence they can realize De-Morgan theorem and Boolean expressions. User's manual for performing various experiments is provided with the instrument.

Each

160 Photo Electric Relay Unit : CSI A complete unit is assembled on a hylum sheet along with a LDR on front panel. The sensitivity control is also on the panel to set initial setting of relay. The unit is capable to deliver 6 volts or 220 volts AC to operate any electric gadget. Make and Break through light and dark source. All solid state.

Each

161 Photo Voltic Cell: 'CSI' With Meter. very sensitive, Superior quality Each 162 Dry Cell : a) Large size with 10G. Re-chargeable. GLOBE make. 2 volt Each b) Charger for Dry cell Each


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163 Plug Key : 1 way 2way 3 way 4 way a) Regular quality Each b) Superior quality

Thick brass blocks Each

164 Tapping Key: Single Each

165 Reversing Key : Superior Each

166 Lechlanche cell : Superior quality, Complete with the charged pot of guaranteed quality, thick Zinc rod & Polylab Pot.

Each

167 Daniel cell : Superior quality Complete with thick copper Vessel having joint-less bottom, porous pot and thick Zinc rod.

Each

168 Simple Cell or Voltic Cell: Complete with Jar, Zinc plate and Copper plate. Each 169 Cell Holder (Power pack) In plastic case with-out cells. With banana plugs a) Two cells ( 3 volt) Each b) Four cells ( 6 volt) Each c) Six cells ( 9 volt) Each 170 Battery-Lead Acid Accumulator : 'GLOBE' in plastic unbreakable container a) 2 Volt. 20 Ah. Each b) 2 volt. 45 Ah. Each c) 6 volt. Sealed. Good quality. Each d) 6 volt. Superior quality. Each e) 6 volt. With arrangement to take 2, 4, 6v, Current as desired. Each f) 12 volt 7.5 AH. Sealed. Good quality Each g) Note: Acid filling & Charging of the above Accumulators can be arranged for

local customers (if required) at an extra cost. Each

171 Battery Charger: fitted with ammeter. . a) Input 220 volt, output 6, 12 volt D.C. regulated current 3 Amp. Each b) 'CSI' Input 220 volt, output 6,12 volt D.C. regulated current 5 Amp Each c) 'CSI' extra superior fitted with heavy duty transformer of 5 Amp. Output

voltage 6, 12, 18, 24 Volt. Each

d) Battery Charger- Automatic: 'CSI' Input voltage 220 volts A.C Output 0-12 volts D.C at 3 Amps. The Current is automatically cut off when the batteries are fully charged.

Each


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172 a)

Ohm's Law App: 'CSI' To verify the Ohm's Law: Fitted with knob type Rheostat. One DC Voltmeter, MO-65 & One DC Ammeter MO-65 Mounted on the same base with terminals

Each

b) Ohm's Law App: 'CSI' To verify the Ohm's Law: Fitted with Sliding Rheostat. One DC Voltmeter, MO. 65 & One DC Ammeter MO-65 Mounted on the same base with terminals

Each

173 Inductance Coil: Tube wounded with thin Copper wire, Complete with steel rod. Each

174 Resistance & Impedance of Conductor with or w/o Iron Core Apparatus ‘CSI’ make: The apparatus consist of an inductance coil with Iron rod supplied with a Voltmeter (A.C.) & an Ammeter (A.C.). Model DCF-80 Complete with Step Down transformer (3 Amp)

Each

175 LDR Characteristics Apparatus ‘CSI’ make : Objective: To plot a graph, current v/s Intensity of Light at different value of Voltages The apparatus consist of DC regulated power supply, two meters for Voltage & current measurement, LDR mounted on panel, connection of supplies complete with LED as a light source. Superior Quality.

Each

176 House hold circuits activity board: ‘CSI’ make consist of. In built power supply source, three torch bulb with holder for series & parallel with sockets fitted on board. Complete with connection leads. Superior quality.

Each

177 Induction Coil: 'CSI' Provided with reversing switch superior insulated copper wire is used and extra insulation is provided in coils. Removable spark discharger and contact points

a) Sparking Length 10mm Each


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b) Sparking Length 25mm Each c) Sparking Length 50 mm. Each d) Sparking Length 100 mm. Each II) 'CSI' Sparking length 100 mm. Our special design. Fitted with transformer and

Rectifier to be used directly on 220 volts and no need of any 12 volt Battery's. Export quality

Each

178 Cathode Ray Tube Each 179 Discharger Tube: (Gessler's tubes) Set of 6, with stand. Each 180 a)

Rheostat: 'CSI' Good quality 4.3 cm (1-3/4") dia tube sound with heavily oxidized eureka wire, mounted on duco painted metal feet, with laminated brush contacts of phosphorous bronze strips brass C.P guide rod and lock type terminals. Size 6" 8" 10" 12" Rate

Each

181 Multimeter : Analog a) Good quality Each b) SANWA make Model P-3 Each II) Multimeter : Digital a) Small size. Good quality Each a) Small size. SANWA make Each b) Medium size Each c) Big Display. Large size Each

182 Headphone: small. Superior quality. Each 183 Pencil Cell : Chargeable, pack of 4 cells, superior Pack 184 Charger for the Pencil Cells. Each

MISCELANEOUS

185 Beaker: Cap. 50 100 250 500 1000ml a) Soda glass Each b) BOROSIL Each 186 Burette-50x1/10ml. a) Borosilicate glass. Routine quality Each b) BOROSIL, superior quality. With Teflon screw type stop cock. Each 187 Round Bottom Flask: ‘Borosil’ 250ml Each 188 Iron Stand: 8" x 5" base and rod 24". Complete with small oxidized clamp and

boss head.

a) Routine quality Each b) Superior quality. Well Finished Base. Each 189 Ammonium Chloride: for lechlanche cell. a) 'AGFA'. 500gm b) MERCK/RANKEM/QUALIGENS/CDH/LOBA 500gm


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190 Copper Sulphate: For Danial Cell & Copper Voltameter. a) ‘AGFA’ 500gm b) RANKEM/QUALIGENS/CDH/LOBA 500gm 191 Sulphuric Acid : MERCK/RANKEM/QUALIGENS/CDH/LOBA 500ml 192 Lycopodium Powder. AGFA 100gm 193 Glass Plate 4”x 4” Each 194 Connecting Wire : D.C.C.S.W.G - 22 500gm 195 Hook up Wire. PVC Covered. Single Core. a) Routine Quality Roll b) Superior Quality Roll 196 Crocodile Clip : a) Small, Superior quality Doz b) Small, extra Superior quality Doz

c) Big Size (Battery clip) Doz 197 Banana Plug : a) Routine quality Doz b) Superior quality Doz c) Very Superior quality, having spring contact Doz

198 Bread Board for Electronic Components. Each 199 Lead Shots : 500gm 200 Rubber tubing : a) 6 mm. bore Routine quality 10mt b) 6 mm. bore Superior quality, Red Soft 10mt. c) 8 mm. bore Routine quality 10mt d) 8 mm. bore Superior quality, Red Soft 10mt. f) For Resonance apparatus, white Latex, PVC Extra Superior Mt. g) For Resonance apparatus, Transparent. PVC Mt. h) Pressure type thick walled ISI Marked for L.P.G. Burners. 1.5 mt. piece i) Routine quality Each ii) Superior quality, Soft Each i) Pressure type Extra Superior thick walled ISI Marked to Work with L.P.G.

Burners. 1 mt. piece

i) Routine quality Each ii) Superior quality, Soft Each 201 Glycerein a) 'AGFA' pure 500gm b) MERCK/RANKEM/QUALIGENS/CDH/LOBA 500ml 202 Steel ball: Different size for Viscosity Apparatus. Doz b) Steel ball: Set of 4 pkts, Assorted size (approx. 650pcs) Set


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203 Iron filling/Dust : 500gm 204 Flexible wire : 2 core a) Routine quality Roll b) Superior quality Roll c) Extra Superior, thick Roll 205 Soldering Iron: TONI. 35 watt. Each

206 Soldering Wire : a) Routine quality 300gm b) Superior quality. Pure 60/40 250gm 207 Soldering Flux Dibbi 207 Scientific Calculator 'CASIO' makes. Imported Each

209 Adhesive 'BONFIX/BOROFIX' Each 210 Line tester : a) Good quality Each b) Taparia Superior quality Each 211 Thread Roll thick No. 10, Strong Roll 212 Torch bulb with holder Each 213 Extension Board : a) Routine quality plastic body without switch but with three sockets. Each b) Straight -Strip type with four sockets. Superior quality. Metal Body. Each c) 'CSI' Fitted with Five 3 pin sockets and switches 5 Amp. of standard quality, a

pilot lamp. All fitted on sun-mica base complete with 10 meter flexible wire. Each

214 Capillary Tube a) Fine bore. Thin Pkt b) Borosilicate glass. Set of 3, thick rod types. Set 215. Hammer : with wooden handle. Small size Each b) Hammer : with wooden handle. Medium size Each 216 Plier: Size 8" a) Good quality Each b) Superior, heavy Each c) Taparia. Extra Superior Each

217 Cutter or Long nose plier : 6” long a) Good quality Each b) Superior. heavy Each


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218 Screw Driver Set: with one detachable handle. a) Superior quality Set b) Taparia Extra Superior. Set 219 Tool kit: Having Following items (One each ) Plier 8”. Long nose plier 6”,

Cutter, Flat file, Triangular file, Round file, adjustable Spanner small, tester, Planner-small, wood saw, Hacksaw, hand Drill machine, Drill bit Set, Screw driver set, Hammer small, parrot plier, Chisel-wood, Chisel Iron, Hammer with nail puller, Bench vice

a) All the above items of Routine quality in card board box. Each b) All the above items of Standard quality in metal adjustable box Each 220 Measuring tape:- a) 3 mt. Long. Metallic. Each b) Superior FREEMEN. 15mtr Long. Each c) Superior FREEMEN make.30 mt. Long. Each 221 Battery Hydrometer: a) Routine quality Each b) Superior quality Each 222 Measuring Cylinder : 50ml 100ml 250 ml 500 ml a) POLYLAB, plastic b) Soda glass Each c) BOROSIL Each 223 Calorimeter Aluminum Copper a) Size 3" x 2" Each b) Size 4" x 3" Each 224 G-clamp: Which can be fitted on the table, Sup quality. Size 2” Opening. Each

225 Plasticine of 225 gm. Pkt 226 Rectangular Block -Iron : with hanger Each 227 Set squares : plastic large size Pair 228 Ball bearing: small Each 229 Oleic acid L.P 500gm 230 Benzene : MERCK/RANKEM/Q.KEM/CDH/LOBA 500ml 231 Dropper : 6" long Each 232 Funnel : with stop cock 'Borosilicate glass Each 233 DPDT Switch (Toggle) Each 234 Copper Wire .bare (Enameled- winding wire):

SWG No. 22 24 26 28 30 32 Rate

250gm

235 Hydrometer: Indian a) Routine quality Each b) Superior Accurate Each 236a Chart Rack: For 24 Charts. All metal. Each b) Chart Rack: For 36 Charts. All metal. Each

c) Chart Display stand. All metal Adjustable. Routine quality Each d) Chart Display stand: 'CSI' Extra Superior. Heavy, fitted with wheels.

Adjustable height Each


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237 Drawing Board: Soft wood size. 18"x12" Each b) Drawing Board: Soft wood size. 24"x16" Each 238 Geometrical Instruments set large size (for black board) made of plastic a) Good quality Each b) Very Superior quality well finished. Thick Each

239 Ebonite Rod: 12” Long Each 240 Glass Rod : 12” long Each 241 White Paper: A-4 size. Normal size Ream 242 White Paper: A-3 size. Double size Ream 243 Fire extinguisher: ABC type, ISI marked. 5kg. Each

SPARE ARTICLES

244 Spare Parts of Cell : 1 Copper vessel of Danial cell. Joint less bottom a) Good quality Each b) Superior quality, thick & Heavy. Each 2 Plastic vessel for lechlanche cell. POLYLAB Each 3 Porous pot for Danial cell 'empty Superior; Each 4 Porous pot for Lechlanche cell Charged. Guaranteed superior quality Each 5 Zinc rod for Danial cell & Lechlanche cell fitted with terminal. a) Routine quality Each b) Superior thick Each 6 Copper Rod with terminals Each 7 Spare metal Plates: with terminals Zinc Copper Aluminum Iron. Routine quality Each 245 Spare Plane glass slide for surface tension Doz 246 Spare Element for joule's calorimeter. About 40 cm Each 247 Spare Lens holder for Optical Bench, Metalic a) Routine quality Each b) Superior quality Each c) Lens Holder. Wooden Well Finished. Each d) Lamp house : Source of light (For optical Bench) Each 248 Spare Optical Pins : a) Iron N.P. 6 mm thick approx. Each b) Iron N.P 8-10 mm thick approx. Each ii) Metallic stand for lens holder and needles (Square) base Each 249 Candle holder: For optical bench Each 250 Spare Steel wire for use in inertia table, Young's Modules & Sonometer etc. 250gm 251 Spare Brass wire for use in sonometer. 250gm 252 Spare Terminal Red/Black (locking type) with screw, nut and washer, Superior Each 253 Spare stand for ammeter, voltmeter etc., superior, with locking type terminals Each 254 Spare battery Clips Superior quality. Each


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255 Spare terminal, Brass with nuts & screws, for Meter bridge & Potentiometer. Each 256 Spare plugs for resistance box & plug keys Superior Each 257 Spare Transistor Each 258 Spare Semi conductor diode or Zener diode Each 259 Spare Capacitor Each 260 LDR (Light Dependent Resistance) Each 261 IC 555 Each 262 Electrolytic Capacitor 1000 uf Each 263 LED Each 264 Variable Resistors: Pot Knob type

(a) Carbon (b) Wire Wound

Each Each

265 Spare Pencil type jockey Each b) Spare Resistance: Carbon. ¼ watt. Assorted range, pack of 100 pc. Pkt 266a Spare Resistance : Carbon 1/2 watt. Each b) Spare Resistance Carbon : 1 Watt. Each 267 Spare Carbon electrodes with terminals Each 268 Spare glass tube for viscosity apparatus 100 cm long 35 mm dia Borosil glass Each 269 Spare pair of glass tube for Boyle's law app Pair 270 Spare Leads : (Patch Cords) Very Superior. For:- a) Logic Gates Apparatus.2mm Pin. Each b) Diode/ Zener Diode App or transistor apparatus. Each c) Multimeter Pair d) Both side Crocodile Clip. length 18”. Each e) Both side banana plug. Length 18”. Each f) One Side Banana Plug & One Side Crocodile Clip. length 18”. Each 271 Spare Upright (Riders) for optical bench. Superior heavy pattern, well shapered a) 'CSI' Fixed Each b) 'CSI' Fitted with slow motion well shapered heavy Each

DEMONSTRATION WORKING MODELS

1 Model of Voltmeter/Ammeter/Galvanometer(any one ): 'CSI' all parts visible Each 2 Model of Electric Motor: to work on 6-12 volt. a) Routine quality Each b) 'CSI' Superior Export quality. Each

3 Model of Electric Bell: Demonstration type. a) Good quality. Each b) 'CSI' Very Superior Export quality/ Each


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4 Model of Gas Engine: (Internal combustion). 'CSI' a) Two Stroke Each b) Four Stroke Each 5a) Vernier Calliper : 'CSI' Demonstration model, Wooden Large Each b) Screw Gauge : 'CSI' Demonstration type, large all metal Each c) Spherometer : 'CSI' Demonstration Model, large, all metal Each 6 Transformer: Dissectable, Demonstration type. 6,12 volt Each 7a) Model of Dynamo: Routine quality AC/DC. Each b) Model of A.C./D.C. Dynamo: 'CSI' Very Superior Export quality fitted with

strong Magnet, armature and small bulbs, wheel driven Each

8 Water Voltameter (for Electrolysis), Superior quality. Each 9 Wave Motion apparatus: 'CSI' for demonstration longitudinal and transverse

waves. Superior quality. . Each

10 Helical Spring: For Demonstration, Waves. (Slinky) Each

11 Thermostat: Rod type Each 12 Model Wind mill: 'CSI' Shows production of electricity by wind in class room.

The electricity is shown by a lighted bulb and on voltmeter. Superior Each

13 Model of Solar Cooker: 12 " x 12 " for 2 pots cooking for demonstrating the operation at30oC atmosphere temp. With pot.

Each

14 Model Bio-Gas Plant. To Demonstrate how gas can be produced by waste materials. Routine quality.

Each


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15 Model of Petrol Engine:- 'CSI' a) 2 Stroke Each

b) 4 Stroke Each

16 Gold leaf Electroscope. a) Routine quality. Wooden box Each b) 'CSI' Very Superior, Export quality in metal box.(original gold leaves) Each

17 Induced Current App: To show electricity produced by magnet movement in coil.

Each

18 Steam Engine: ‘CSI’ Sectional Model. Extra Superior quality, which can work simply by mouth blowing.

Each

19 Liquid Level apparatus: (4 limb) with stand. Borosil glass Each

20 Solar Energy: 'CSI' Having solar fan & Solar light Set 21 Solar cell: mounted on board. Output- 2,4,6,8,10,12 volt Each 22 Rain Gauge Symon’s: Standard 12.5cm dia. Complete with inside measuring jar. a) Mode of Plastic Each b) Made of Brass/Copper. Each 22 Newton’s Colour disc: hand operated. Each

23 Newton’s cradle: having 5 steel ball of Dia. 12mm, fitted with plastic thread on metal stand.

Each

23a) Wind wane: Large size about 125cm high with N.S.E.W points. All metal Each


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24a) Solar system (Student Planetarium ): A Unique motor driven apparatus showing all the planets with their respective satellites. The planets start revolving around the sun with a push of Button presenting a very clear picture of our Universe. It also shows relevant data of all the planets.

Each

b) CS020 : Mini Solar System Apparatus (Imported) This is a handy solar system model which shows all the nine planets in their natural color identify their sizes and distances. The planets may be set around the sun to show their relative position. Can be assembled easily. Packed in Plastic box.

Each

c) GE020 : Automatic Revolving Solar System (imported) Cyber Sky CD ROM program it an exciting, entertaining and educational astronomy program that transforms yours personal computer into your personal planetarium, illuminated Sun (9) Planets, Automatic Rotation.

Each

25 Van-de-graff generator: Motorized, superior Each (For other Models please See the Index)

SCIENTISTS’ PORTRAITS

SCIENTISTS’ PORTRAITS: Our Latest designed Portraits of Scientists

Canvas beautifully Laminated on 8mm New wood board with brief like statch size 31x43 cm approx duly framed. These can be displayed on wall.

Each

SP1 Charles Robert Darwin SP2 Gregor Mendel SP3 Lamarck SP4 Louis Paster SP5 Dr. William Harvey SP6 Leonardo-Da—Vinci SP7 Sir. Joseph Lister SP8 Anton Van Leeuwenhoek SP9 Carl Von Linnaeous SP10 Edward Jenner SP11 Sir. James Young Simpson SP12 Thomas Henry Huxley SP13 Sir. Edwin Ray Lankester

SP31 John Dalton SP32 Dr. P.C Ray SP33 Dr. H.G Khorana SP34 Dr. S. S Bhatnagar SP35 S. Ramanujam SP36 Antoine Laurent- Lavoisier SP37 William Ramsay SP38 Humphry Davy SP39 August Weisman SP40 Joseph Priestlley SP41 Aristotle SP42 Dmitri I. Mendeleeff SP43 Burbank Luther


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SP14 Sir Ronald Ross SP15 Hugo De-Vries SP16 Sir Charles Bell SP17 Alferd Russel Wallace SP18 Sir J.C. Bose SP19 Dr. Birbal Sahni SP20 Sunder lal hora SP21 Galileo Galilei SP22 Sir Issac Newton SP23 Sir C.V Raman SP24 Dr H.J Bhabha SP25 Archimedes SP26 Albert Einstein SP27 Thomas Alva Edison SP28 Robert Boyle SP29 Marie Curie SP30 Michael Faraday

SP44 S.N Bose SP45 M.N Saha SP46 K.S Krishnan SP47 K.N Bahl SP48 J.J Thomson SP49 Neils Bohar SP50 Gilbert Newton Lewis SP51 A.P.J Abdul Kalam SP52 Dr. Vikram Sarabhai SP53 Aryabhata SP54 Dr. S.S Joshi SP55 Sir Alexander Flamming SP56 D.Mata Parshad SP57 Benjamin Franklin SP58 Ernest Rutherford SP59 Dr. Raj Ramanna SP60 Nicholas Copernicus

CHARTS

CHARTS: All Charts made of Water proof, Wrinkle free, flexible, fibre reinforced PVC sheeting (Rexine) these charts are strong and durable unlike the paper charts. They do not wear out, wrinkled or get spoiled, nonglare black surface provides an ideal setting for the fig. The colours are special P.V.C. water proof paints, guaranteed to be permanent. All Charts are 125x100cm unless mentioned otherwise. (BIO-VISUAL, Hyderabad Make) Rate – Cat. No. NAME Cat. No. NAME P 1 Inter Conversion of Energy

Forms P 2 Sound Spectra

P 3 Meter Principal Part- I P 4 Meter Principal Part –II P 5 Semi-Conductor Fundamentals

Part-I P 6 Semi-Conductor Fundamentals

Part-II P 7 Transistor Characteristics P 8 Electronic Symbols Part-I P 9 Electronic Symbols Part –II P 10 Nuclear Radiation Detectors Part-I P 11 Nuclear Radiation Detectors

Part-II P 12 Line Spectra of some elements

P 13 Crystal Structure –Types P 14 Particle Accelerators-Cyclotron P 15 Triode Characteristics –Static P 16 Velocity of light (Foucault’s Rotating Mirror method) P 17 Atomic Reactor P 18 Cathode Ray Oscilloscope P 19 8085 –Instruction set P 20 Light –Refraction P 21 Light Reflection P 22 Light- Dispersion P 23 Light- Diffraction P 24 Light- Interference P 25 Light- Polarisation P 26 Lenses- Images P 27 Telescopes P 28 Lasers P 29 Magnets & Magnetic Properties P 30 Transformers P 31 Dynamos P 32 Krichoff’s Laws- Wheatstone & Meter Bridge P 33 Dimensional Formulae P 34 N.Type P.Type,Crystals P 35 Surface Tension & Capillarity P 36 Levers & Pulleys P 37 Images of lenses & Mirrors P 38 Electromagnetic Induction P 39 Rectifiers P 40 Filters P 41 Multivibrators P 42 Logic Gates P 43 Oscillators P 44 Telephone


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P 45 Television P 46 Photographic Camera P 47 8085 –Functional Block diagram P 48 Electrolysis P 49 Electro Magnetism P 50 Ohm’s – law –Electric Circuits P 51 Computer P 52 Common Pumps: Force, Cycle Vaccum & Siphon P 53 Newton’s Laws of Motion P 54 Calorimetry P 55 Amplifiers: Single Stage P 56 Amplifiers: Multi stage P 57 Amplifiers: Feed back P 58 Vernier, Screw gauge & Spherometer P 59 Satellite Communication P 60 Boyle’s Law P61 Determination of Focal Lengths

In lenses & Mirrors P 62 Velocity of sound

P 63 Radar P 64 Fax and Xerox P 65 8086: Functional block Diagram P 66 Thermo, Baro, Hydro & Manometers P 67 Development Stages of satellite P 68 Nuclear power plant P 69 Charles Law E 21 Communication System –I E 22 Communication System –II E 23 Communication System-III E 24 Industrial Electronics-I E 25 Industrial Electronics- II E 26 Industrial Electronics-III E 27 Interfacing Peripherals –I E 28 Interfacing Peripherals-II E 29 Interfacing Peripherals-III E 11 Refrigerator & Operation E 12 Refrigeration Principles 1. CHARTS: On Rexine. D-Bios Make. Size. 100x75cm Each 2 Charts: Physics Printed charts in Hindi & English (list of available charts can be

send on request) size. 55x90 cm. Beautiful Lamination charts. Each

3 Charts:- On Polyart, thick PVC, Very Superior Size: 75x100cm Each TERMS: See Separate letter Thanking You, Yours Faithfully, for CHANDRA SCIENTIFIC INDUSTRIES

21.6.14

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