For determination of the specific heat capacity of as liquid by the electrical method. Comprises of copper calorimeter vessel 75 x 50 mm lagged and enclosed within an outer vessel 100 x 75 mm A close-fitting plastic lid is provided with a wire stirrer and a pair of 4 mm socket terminals connected to a constantan wire heating coil. The resistance of the coil is approximately 6 ohms and should be used with a current of 0.5 A with a maximum of 1 A. Supplied without thermometer.