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SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. bo 



November 16, igio. Series I. R. A. R. performed work by pulling on 

 20-kilogram weight over a pulley, for series of 10 minutes. CO2 absorbed by 

 soda lime and fans off. 



Average volume breathed, 15.7 liters per minute. 



Series II. CO- absorbed and fans on. 



Average volume breathed, 17.6 liters per minute. 



Pulse little more accelerated in spite of higher temperature. 



November 23, 1910. Series I. H. B. W. performed work by pulling on a 

 weight of 20 kilograms over a pulley. This was lifted 12 times per minute 

 for 5 minutes. C(X> absorbed and fans off. 



Average volume breathed, 37 liters per minute. Average tidal air, 1,697 cc. 



