



junction ol the thistle i l>ull> 



is allow ed to enter thr< 

 around the bubble "i air, •••• hicl 

 displaces the salim 

 ble has been subjected to t ; 

 the gases in it come into p< 

 The percentage of CO 



tu the tension "i' ; 

 draw ing th«' bubble int.. 





cz 



•■ 



asuring its eapacil 

 which absorbs the CO 



.in measuring i 

 i bubbl • 

 tion, \\ hei e the l * 



The Tension of CO lad in A * Air 



may determine tin 







