ns 
 Micro@rarmy th, 10? 
Next, we may learn-what part of the Wood itiisthat isthedvmbaftible 
matter} for fince we {hall find that‘none, or very Jittle of thofe fluid. fub= 
{tances that are driven over into the Receiver are combuftible, and.thar 
moft ofthat which is left behind iso, it follows, thatthe tblid: dwterftitia 
of the Wood are the combuftible matter!» Further, the teafor) why. und 
charr’d Wood burtis with a greater'flame then thatcwhich ds chair'dy:i5.a$ 
evident, ‘becaufe thofe waterify or volatil' part iffuing oit of the:fired 
Wood, every way, not otiely fhatter-and ‘opemthd bodyy the ‘better for 
the fire to enter, btit iffuing out in'vapours: or wind, they: becomellike * 
fomany little eohpiles, or Bellows; whereby they blow. and agitate thd 
fir'd part, and conduce’to the more {péedy aiid violent confumptionor 
‘diflolition ‘of the bodyigio> 6 ai 19990! besniines gcied asd? ting 2 
Thirdly, from the Experiment of charring of Coals (whereby we fee 
that notwith{tanding the great heat, and the duration of it, the folid 
parts of the Wood remain, whileftthey:are prefervid from the free accefs 
of the air undiffipated) we may learn,that which ha’ not,that I: know of, 
been ‘publifh’d or hinted, nay, not fo much as. thought of; -by-dnys and 
that in fhort is this. - S, in 189. JOmoin roti gent bins 
~ Firft, that the Air in which we live, move, andibreath,,and:which én- 
compaffes very many, and cherifhes moft bodies:it encompafieés, that this 
Air is the men/truwm,oruniverial diflolvent of allisulphureows bodies. | 
Secondly, that this a@ion it performs not, till. the: body. be-firft fuffi- 
ciently heated, as we find requifitealfo to the difldlution of many other 
bodies by feveral other menfirunms. > ett dod Wnt 1 IONE dish. 
multitudes of Inftances, 
_ Fifthly,that the di 
inherent, ‘and mixt w 
and down with it in the fame manner asia metalline or other body di 
Vd into any menfirunms, does follow the motions and progretles of 
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