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Dip Circle
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Dip Circle

(HL-1096)
The case is made of aluminium, strongly mangetised cobalt steel needle fitted with imported hard axle rolls on knife edges agates and can be clamped when desired by a V clamp, a sensitive spirit level is provided. The tripod stand is provided with three levelling screws.
 
College Type:- Dip Circle availabel in brass and aluminium.

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Drawing Board
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Drawing Board

(HL-1097)
Superior quality made of soft wood:
 
a) 12"x18" Thick Board
b) 16"x23" Thick Board

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Earth Inductor
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Earth Inductor

(HL-1098)
Comprising of a coil of wound on an aluminium metal ring(150mm dia) having a stop limiting rotation to 1800 of ring provided with the help of a spring.
 
The cradle supporting the coil non-magnetic alloy 200x210x115mm high may be placed either on its base or side so that the axis of rotation of the coil is either horizontal or vertical. Provided with the terminals.

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Electrical Tunning Fork
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Electrical Tunning Fork

(HL-1099)
Also known as Meldie's Apparatus.

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Galvanometer Ballistic(Bajaj Pattern)
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Galvanometer Ballistic(bajaj Pattern)

(HL-1100)
The moving coil system is housed in aluminium case with an easily removably front sliding cover. rectangular coil with a large moment of Inertia and a cross section is suspended with the help of a fine phosphor bronze suspension strip and moves in a strong magnetic field generated by a permanent magnet. The coil carries a 10mm circular concave mirror of 100cm of conjuction with a Lamp and Scale Arrangement.

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Galvanometer Tangent
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Galvanometer Tangent

(HL-1101)
we offer high quality Tangent galvanometer. The magnetometer is supported on a brass tube fitted on an ebonite plate, which is free to revolve in the base of the instrument. The magnetometer & the ring can both be rotated independently of the base which is with leveling screws.

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Spot Reflecting Galvanometer
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Spot Reflecting Galvanometer

(HL-1102)
To find extensive use as a DC null detector in wheat stone bridges and potentiometers. The light source 6Volt and 0.3Amp. bulb.
Scale is 150mm long and is marked for both Center and End zero use.
To set light at any point on the scale.

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Morse key
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Morse Key

(HL-1109)
Pattern, heavy type with 3 terminals. Fitted on wooden base having sunmica top. An aluiminium rectangular block 10cm in lenth is fitted with a pin fitted in a metal holder when this block is pressed, the contact is shifted to other terminal.

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Plug Key
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Plug Key

(HL-1110)
a) One way
b) Two way
c) Three way
d) Four way

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Lamp And Scale
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Lamp And Scale

(HL-1111)
The lamp house(made of cast aluminium) is fitted with 6Volt 20Watt built through built in transformer works on a 220Volt AC mains.
Translucent perspex scale graduated in 25-0-25c and 0-50cm dual.

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Millikans Oil Drop Apparatus
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Millikans Oil Drop Apparatus

(HL-1112)
Prof. Robert A. Millikan measured the change on the electron.
Latest improved design.
It consists specially designed condenser, a light source and a measuring microscope. All are mounted on a common support.
A heavy cast iron base which is mounted on a steel pillar that carries the microscope and the lamp house. The microscope can be adjusted smoothly slow motion screws in the horizontal as well as in the vertical direction. Atomizer is also fitted on the same carriage.
 
A) Microscope Lamp house, atomizer Power supply, very easy to set complete set up with manual.
B) S V Lamp 36watt+Transformer+BoxSet

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Hares Apparatus
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Hares Apparatus

(HL-1118)
For comparing the densities of liquids by measuring the heights of the two columns of liquid produced by applying suction to the short center limb. Comprising a three-limbed glass tube, with 250mm of rubber tubing on the centre limb, mounted on a stand with a scale 61cm long with the zero at the bottom. Overall dimensions 680x305x150mm.

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Reversing Key
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Reversing Key

(HL-1122)
The segment of brass metal are mounted on a bakelite base. The multi brush sweeping contacts move over the either segment with a handle.
 
A) Plug Key
B) Rocking
C) Phol's Commutator
D) Double Pole Double Through

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Tapping Key Single, Double
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Tapping Key Single, Double

(HL-1123)
Brass strip(Nickle Plated) with insulated knob and terminals mounted on a bakelite plate of high insulation.

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Magnet Horse Shoe
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Magnet Horse Shoe

(HL-1131)
(i) 2" Alnico
(ii) 3" Alnico

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