Copper Calorimeter is used for measuring the heat of chemical reactions or physical changes as well as their heat capacity.Felt jacket is provided between the vessels and also at the bottom of the outer vessel for proper insulation. Fitted with a Bakelite cover with two holes. One hole is for rubber stopper which will hold the thermometer and the other hole is for stirrer. Complete with rubber stopper, stirrer and washer, but without thermometer.