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Demonstrates the rate of heat conduction in 5 different metals. Consist of 5 different rods, 15 x 100 mm. length x diameter, equispaced on a brass disk and mounted on an insulated handle. The rods are aluminium, brass, copper, nickel, steel and each with a cavity in the outer end for holding paraffin.
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Physics & Electronic Laboratory Apparatus

MS-237 PVG HEAT CONDUCTO METER

THERMAL CONDUCTIVITY APPARATUS, LEES
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MS-238 PVG THERMAL CONDUCTIVITY APPARATUS, LEES AND CHORLTON

CONVECTION TUBE
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MS-239 PVG CONVECTION TUBE

Placeholder
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MS-24 PVG PERSPEX SCALE

MS-240 PVG VENTILATION APPARATUS
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MS-240 PVG VENTILATION APPARATUS

MS-241 PVG STAND AND SPHERE APPARATUS
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MS-241 PVG STAND AND SPHERE APPARATUS

Placeholder
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MS-242 PVG REFLECTOR PARABOLIC

MS-243 PVG LESLIE CUBE
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MS-243 PVG LESLIE CUBE

For detecting thermal radiation. With bulbs approx. 30 mm. diameter; one bulb painted matt black; apparatus partially evacuated
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MS-244 PVG ETHER THERMOSCOPE

MS-245 PVG RADIOMETER, CROOKES’S
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MS-245 PVG RADIOMETER, CROOKES’S

The cutaway model illustrates the working principles of a fourstroke petrol engine. The model is colored for greater clarity operation of valves clearly shown. With chain drive from crankshaft, cam-operated inlet and exhaust valves, carburetter attachment with manually operated float. Ignition represented by the lighting up of a bulb which requires 4 V. Overall height 300 mm. Mass 1.5 Kg.
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MS-246 PVG PETROL ENGINE, FOUR STROKE

The cutaway model illustrates the working principles of a twostroke petrol engine. The model is colored for greater clarity. The ignition represented by the lighting up of a bulb which requires 4 V. Overall height 290 mm. Mass 1.5 Kg.
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MS-247 PVG PETROL ENGINE, TWO STROKE