iy% AnalyfisoftheAir. 



the receiver, as in the whole air of the re- 

 ceiver ; this muft be owing to^hc Sal Tartar 

 in the flannel lining, which muft needs have 

 abforbed one third of the fuliginous vapours, 

 which arofe from the burning Candle. Hence 

 we may not unreafonably conclude, that the 

 pernicious quality of noxious vapours in the 

 air might, in many cafes, be much rebated 

 and qualified by the ftrongly abforbing power 

 of Salts. 



Whether Salts will have a good effe£t in 

 all, or any of thefe cafes, experience will 

 beft inform us. There is certainly fufEcient 

 ground, from many of the foregoing Experi- 

 ments, to encourage us to make the tryal, 

 and they may at leaft be hints for further im- 

 provements. 



We fee that Candles and burning Brim- 

 ftone do in a much greater degree deftroy 

 the elafticity of the air, than the breath of 

 Animals 5 becaufe their vapours are more 

 plentiful, and abound more with acid ful- 

 phureous particles, and are alfo lefs diluted 

 with watry vapours, than the breath of Ani- 

 mals is : In which alfo there are fulphureous 

 particles, tho' in lefier degrees, for the ani- 

 mal fluids, as well as folids, are ftored with 



them ; 



