C 251 ] 



The refult of the teffc of the de-^ aB ; f 

 phlogifticated air, obtained from the£ r e s ™£ 

 green matter gathered from the troyed * 

 itone- trough on the high-road, 

 2.08; 1.07; 2.01; I092; 1.89; 

 1.78; 2.54; 3.48. 65s 



How near the purity of this air 

 approaches to that of the dephlo- 

 giiticated air, extracted by fire from 

 red precipitate, may be feen in the 

 following teft of it : 1.63; 1.28; 



93; 59; 2 7*> 5 8 ; **«»f; 2 -5°- 75o 



So that the two meafures of this 

 dephlogiiticated air had been re- 

 duced to about jj and that /^ of 

 both airs had been deftroyed to 

 complete the faturationo 



SEC- 



