4 CALORIMETERS FOR STUDYING RESPIRATORY EXCHANGE, ETC. 



for temperature measurements; above and behind the observer's table are 

 the galvanometer and its hood. At the left of the observer's platform is a 

 platform scale supporting the water-meter, with plug valve and handle con- 

 veniently placed for emptying the meter. The absorption system is placed 



FIG. 1. General plan of respiration calorimeter laboratory. 



on a special table conveniently situated with regard to the balance for weigh- 

 ing the absorbers. The large balance used for weighing the oxygen cylinders 

 is directly across the center aisle and the analytical balance for weighing the 

 U-tubes for residual analysis is near by. 



