1ſel. Whereas when the Flame went out
upon the exſuction of the Air one time
(when the Flame retir'd very leaſurely
to the top) we perceived it not to be fol
low'd by any ſmoke at all. And at an
other time the upper part of the Week
remaining kindled after the extinction
of the Flame, the ſlender ſteam of Fumes
that did ariſe aſcended but a very little
way, and then after ſome uncertain mo
tions this and that way, did, for the moſt
part, ſoon fall downwards.
upon the exſuction of the Air one time
(when the Flame retir'd very leaſurely
to the top) we perceived it not to be fol
low'd by any ſmoke at all. And at an
other time the upper part of the Week
remaining kindled after the extinction
of the Flame, the ſlender ſteam of Fumes
that did ariſe aſcended but a very little
way, and then after ſome uncertain mo
tions this and that way, did, for the moſt
part, ſoon fall downwards.
Being deſirous alſo to try whether
there would be any difference as well in
our Receiver as there is wont to be elſe
where betwixt Candles made of Wax and
thoſe made of Tallow, as to their dura
tion; we took ſlender Tapers of white
Wax, (commonly called Virgins Wax)
that being found to burn with much leſs
ſmoke then common yellow Wax: Six
of theſe of like bigneſs, and each of them
of about the thickneſs of a Swans Quill,
we preſſ'd together into one Candle: And
having lighted all the Weeks, we let in
the above-mention'd Wax into the Re
ceiver, and made what haſte we could to
cloſe it up with Cement. But though in
the mean while we left open the Valve
there would be any difference as well in
our Receiver as there is wont to be elſe
where betwixt Candles made of Wax and
thoſe made of Tallow, as to their dura
tion; we took ſlender Tapers of white
Wax, (commonly called Virgins Wax)
that being found to burn with much leſs
ſmoke then common yellow Wax: Six
of theſe of like bigneſs, and each of them
of about the thickneſs of a Swans Quill,
we preſſ'd together into one Candle: And
having lighted all the Weeks, we let in
the above-mention'd Wax into the Re
ceiver, and made what haſte we could to
cloſe it up with Cement. But though in
the mean while we left open the Valve