1 8 1 Anahfis of the Air. 



" fulphur, blue; that of copper opened with 

 £t fublimate, green ; that of tallow, yellow 5 

 u that of camphire, white; fmoak pafling 

 " thro' flame cannot but grow red hot, and 

 « red hot fmoak can have no other appea- 

 u ranee than that of flame." 



But Mr. Lemery the younger fays, tC that 

 " the matter of light produces fulphur, be- 

 " ing mixt with compofitions of fait, earth 

 " and water, and that all inflammable mat- 

 " ters are fuch only in vertue of the par- 

 " ticks of fire which they contain. For in 

 " the Analyfis, fuch inflammable bodies 

 " produce fait, earth, water, and a certain 

 " fubtle matter, which pafies thro* the clofeft 

 iC veffels, fo that what pains foever the ar- 

 " tift ufes, not to lofe any thing, he ftill 

 < e finds a confiderable diminution of weight. 



" Now thefe principles of fait, earth and 

 t£ water are inactive bodies, and of no ufe, 

 u in the compofltion of inflammable bo- 

 lt dies, but to detain and arreft the parti- 

 " cles of fire, which are the real and only 

 " matter of flame. 



" It appears therefore to be the matter 

 c ' of flame that the artifl lofes in decom- 

 cc pounding inflammable bodies, Mem. de 

 iC ? Acad. Anno 17 13." But 



