CALIBRATION TESTS 



13 



Fia. 3. Scheme for calibration of the ergometer in a respiration calorimeter. The ergometer, divested 

 of handle-bar3 and seat, is placed in a vertical position inside a respiration chamber. The copper disk 

 D rotating between the pole-faces P of the electro-magnet C generates heat which is measured 

 by the calorimeter. The electric motor and reduction pulleys are used to rotate the ergometer at 

 different speeds for purposes of calibration. 



