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| RT5040 Expansion of Liquids
Apparatus |
| For demonstrating the difference in expansion of different
liquids over the same temperature. Consisting of five
glass tubes with bulb of equal capacity mounted on a support,
with scales and metal trough to hold hot water. |
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| RT5042 Thermal Conductivity
Apparatus, Lee’s |
| For determining the thermal conductivity of bad conductors.
Three copper discs 42mm diameter x 12mm thickness each
drilled to support a thermometer. A 6V D.C. Electric heater
with wires led out to 4mm sockets and clamped in a wooden
frame by means of a plastic screw. |
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| RT5044 Crook’s Radiometer |
| For demonstrating the mechanical effect of reflection
and absorption of light and heat. Partially evacuated
glass bulb has four vanes which spin on low friction pivot.
Alternate vanes are dark and white in colour. |
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| RT5050 Leslie’s
Cube |
| Hollow cube of 125mm side made from tin sheet with an
opening at the top. The vertical surfaces are dull black,
bright black, white and bright. |
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| RT5051 Specific Heat Set |
| Set of six metal cylinders, diameter 20mm, of equal
mass of aluminium, brass, copper, iron, lead and zinc.
The cylinders are mounted in wooden stand and are drilled
for suspension. |
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| RT5052 Thermocouple |
| A simple junction of soldered wires, one each of copper
and constantan 50cm long. Each wire is coiled for easy
use. |
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