

■Ik 



•^ki 



i 





Ittt Jit 





7 





.-■' 



;;, 



>■• 





» 



Analjfis of the Ah\ 



US 



(Fig. 35.) increafed in weight by imbibing 

 the floating moifture of the air : But they 

 abforbed no elaftick air. It was the fame with 

 the remaining lixivious Salt of a diftillation 



of Nitre. 



But 4 or 5 cubick inches of powdered 



frclh Cynder of Newcaftle Coal did in feven 



days abforb s cubick inches of elaftick air. 



And 13 cubick inches of air were in 5 days 



abforbed by Tuhis Urens, a powder which 



immediately kindles into a live Cole, upon 



being expofed to the open air. 



Experiment CII. 



What effect burning and naming bodies, 



and the refpiration of Animals have on the 



air, we mail fee in the following Experi- 

 ments, viz. 



I fix'd upon the pedeftai under the inver- 

 ted glafs z z a a (Fig. 35.) a piece of 

 Bro-jjn Taper , which had been dipped in a 

 folution of Nitre, and then well dryed ; I 

 fet fire to the Paper by means of a bur- 

 ning glafs : The Nitre detonized and burnt 

 briskly for fome time, till the glafs zzaa 

 was very full of thick fumes, which extin- 

 ct guifhed 











