Crooke’s Radiometer

For demonstrating the different heat conductivities of five metals by observing the melting of wax.

As above but with two sets of mica vanes placed in two separate bulbs, blackened in such a way that rotations are in opposite directions.

To demonstrate the phenomenon of heat absorption and radiation between different surfaces. One 12V bulb is used as heat source and two parabolic metal discs used as different bodies, one slot is provided behind the discs to hold the thermometer. Two sockets are provided for power input. with two thermometers & plain glass.