rro84l 
"'^Jbes has exhaled, there has been made a very great 
number of fmall particles, which were of a brownifti co- 
lour, but in a fhort time, they have not only loft their 
colour, but have difappeared, leaving behind them, a 
little thin moitture hardly to be perceived. 
Further, I took at about 2 foot diftance from the 
mouth of the Tm, and Lead Oven, out of the Chimney 
which the flame did not reach, a black fubftance like 
Soot, which I mingled with fair rain water, and let it 
ftand till it was fetled 5 in this water I oblervcd there 
were made, many irregular figures, whofe irregularity 
I believe proceeded, from the want of matter to perfect: 
them, and from the too ioon evaporating of the moif- 
ture;lfaw likewife many neat, flat, tranlparcnt bodys, 
having each 4 corners flicking out, and 2 inward Angles, 
as Numb. ^i^Fig- A. of this lort there were fome that 
I could notfee, butwithmy glafles that magnify moft. 
There were alfo fome figured like a Rhomb i and others 
like a Rhomboid, as at /^/5 S. 
I put fomeofthe ^^Vi^L^W that comes horn Liege ^ 
into water, and obferved therein, an exceeding great 
rnumber of Salt particles, which were fo very fmall, that 
I cannot attribute to them any perfect figure, but I 
judged, as much as the particles that incompafled them, 
would give me leave, that their fides that appeared to 
me, werefquare, and that their thicknefs, was near as 
.much as their length ; together with thefe, were fome 
fmall figures (harp at both ends, as Numb. 12, Fig. J. 
Others blunt at both ends, Fig. 5. Others had fix 
compleat fides, as /?^. C. and among thefe, fome were 
io very fmall, that a Globule which makes the rednefs 
