j4nalyjis of the Air. 229 



imbibing the floating moifture of the air: 

 But they abfoibed no ekftick air. It was 

 the fame with the remaining lixivious Salt 

 of a diftillation of Nitre. 



But 4 or 5 cubick inches of powdered 

 frefh Cinder of N ewe a/lie Coal did in feven 

 days abibrb 5 cubick inches of elaftick air. 

 And 13 cubick inches cf rir were in 5 days 

 abforbed by Pulvis Urcns, a powder which 

 immediately kindles into a live Cole, up- 

 on being expofed to the open air. 



Experiment CII. 



What effect burning and flaming bodies, 

 and the refpiration of Animals, have on the 

 air, we mall fee in the following Experi- 

 ments j viz. 



I nVd upon the pedeftal under the in- 

 verted glafs z z a a, (Fig. 35.) a piece of 

 Brown Paper, which had been dipped in a 

 fojution of Nitre, and then well dried 3 I 

 fet fire to the Paper by means of a burn- 

 ing-glafs: The Nitre detonized, and burnt 

 briskly for fome time, till the glafs z z a a 

 was very full of thick fumes, which extin- 

 guished it. The expanfion cauied by the 

 burning Nitre, was equal to more than two 

 quarts: When all was cool, there were near 



Q 1 80 cu- 



