.3 04 Analjfts of the Air. 
which muft: be done by the flame, and af- 
cending fumes; becaufe in the burning of 
any quantity of Brimftone, the whole mafs 
is in a manner wafted, there remaining only 
a very little dry Earth: And therefore the 
’abforbed air cannot remain there, but muft 
be abforbed by the afcending fumes which 
then attradl moft ftrongly, when re- 
duced ad minima: And *tis well known 
that a Candle in burning flies all off into 
flame and vapour, fo that what air it abforbs 
muft be by thofe fumes. 
Experiment CXXI. 
And further I have found thatthefe fumes 
deftroy the air's elafticity, for many hours 
after the Brimftone Match, which made 
them, was taken out of theveflel, z>z> a a\ 
(Fig. 35.) Thofe fumes being firft cooled 
by immerfing that veflel and its ciftern x 
or an inverted wine Flask, full of the fumes, 
under cold water for fome time; then mark- 
ing the furfaceof the water I immerfed 
the vcflels in warm water: And when all 
was cold again the following day, I found 
agood quantity of the air’s elafticity was de- 
ftroyed 
