Calorimeter, Joule’s

With 2-6 V DC motor with a 15 mm Diam. ‘V’ Pulley on base with terminals.

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

Working model, with boiler, safety valve, whistle, steam chamber & flywheel, on base, to drive dynamo models etc.

Steam heated, with 230 x 25 mm copper bar, with a steam chamber at one end, the other end having a copper coil for cold water with inlet and outlet tubes. With two thermometer pockets. In box with insulated lagging, removable cover, without thermometers.