The platinum pan C, for holding the fuel.
The calorimeter proper D, surrounding the bomb and containing a definite weighed amount of water.
An electrode E, connecting with the fuse wire F, for igniting the fuel placed in the pan C.
A support G, for a water agitator.
A thermometer I, for temperature determination of the water in the calorimeter. The thermometer is best supported by a stand independent of the calorimeter, so that it may not be moved by tremors in the parts of the calorimeter, which would render the making of readings difficult. To obtain accuracy of readings, they should be made through a telescope or eyeglass.
A spring and screw device for revolving the agitator.
A lever L, by the movement of which the agitator is revolved.
A pressure gauge M, for noting the amount of oxygen admitted to the bomb. Between 20 and 25 atmospheres are ordinarily employed.
An oxygen tank O.