iSi Anahjfis of the Air. 
fulphur, blue; that of copper opened with 
fublimate, green ; that of tallow, yellow ; 
that of camphire, white ; fmoak palling 
thro’ flame cannot but grow red hot, and 
red hot fmoak can h^ no other appea- 
ranee than that of fl 4 me/’ 
But Mr. Lemery the younger fays, 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 paffes thro’ the clofeft 
veffels, fo that what pains foever the ar- 
tift ufes, not to lofe any thing, he ftill 
finds a confiderable diminution of weight. 
Now thefe principles of fait, earth and 
water are inaftive bodies, and of no ufe, 
in the compofition of inflammable bo- 
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 
of flame that the artift lofes in decom- 
pounding inflammable bodies, Mem. de 
“ t Acad. Anno 17 1 5*” But 
