NO. 23 INFLUENCE OF ATMOSPHERE ON HEALTH 



87 



The men did some work shifting bricks to and fro and piling them up, hut 

 the work was not of a severe character. 



Bricks moved to and fro and stacked. 



This and the former experiment show the advantage given by the 

 CO, snow cooler as seen in the pulse rate 



Time 



P. M. 

 3-45 



4.05 



4. 11 



"Silence and Fun" Fleuss dress, with C0 2 snow cooler 



Pulse rate 



140 



(Has just moved pile of 

 bricks twice) 



'1 c nip. ot in- 

 spired air 

 (wet bulb) 



Temperature of chamber 



Dry bulb Wet bulb 



Degrees F. 



60 



/ >egi ees F. Degi ees I ■ 

 100 



At the end of the time the snow was nearly all evaporated 



