188 



MAX KLEIBER 



Air entering Air (free of CO^ 8 H^O) 



I^Soda Lime \ 





H3S0, 



-:o^^-i 



Aspirator 



HgSO^ Sodo HjjSO^ 



Lime ■ 



' V 



HO vapor CO, produced 



Fig. 1. Diagrammatic illustration of respiration calorimeter of Rubner. 



Galvanometer 





I I I Lajuulaaaaaaaa. 



Battery Rheostat 



Fig. 2. Schematic diagram of an electric compensation calorimeter. 



