Calorimeter, Electric

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.

Air cooled, four stroke, with operation of valves clearly shown. Mounted on a polished wooden base with schematic diagram, overall height 450 mm approx.

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.