1 li 



higher than that in th< 

 it consisted in passing .. 

 blocking the ■ 

 rubber collar <»r ampulla, i 



pro fiit.-. I. ;iikI a sample of tl 



In BUCh B 



round the body, and w ttfa onlj 

 thai mor< CO ia being di 

 responds to t h<- tensioi 



Much more practical mcl I '• 



sun and R G P< ■ 1 1 i « - 1 1 



method, the person Bret 

 gaseous mixture w iili ;il""it 10 CO 



ing the lungs, li<- maki 

 with a \ alve lia\ i r i >_r four opt i u 

 complete circuit durii 

 pired air <':tn lie coll( in rubber !■• 



opening opp< ; i»' four o] 



contain ■ little less than l< 

 while the fourth will contain tl 

 librium between the CO 

 attained. This ' 

 blood of the lunge I l 1 

 formed int 



Tl then indicate tl 



I in the lungs \s 



diffuses from a plai f hif 



s.i until equilibrium is 



