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PHYSIOLOGICAL CHEMISTRY. 



uniformly mixed inside. A known part of the ingoing air and of the out- 

 going air may be diverted for analysis so as to permit an exact determi- 

 nation of the amount of oxidation products liberated at any time. The 



Atwater and Rosa calorimeter is the most complete of all such construc- 

 tions. In this the heat liberated by the subject is taken up by a current 

 of cold water circulating through numerous coils of pipe inside the 



