32 CALORIFIC POWER OF FUELS. 



Fig. 9 is a sectional view of his apparatus. It consists of 

 a combustion-cylinder, 15, with a removable bottom, 17, 



FIG. 9. CARPENTER CALORIMETER. 



through which passes the tube, 23, to supply oxygen, and also 

 the wires, 26 and 27, to furnish electricity for the igniter. 

 It also supports the asbestos combustion-dishes, 22, used for 



