Boyle, Robert - New experiments physico-mechanicall, touching the spring of the air and its effects

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1with it Receivers even for the moſt ſub
tle Chymical Spirits, You would ſcarce
wonder at the ſervice it has done in our
Pneumatical Glaſs.

WE took a Tallow-Candle of ſuch

a ſize that eight of them make
about a pound, and having in a very com
modious Candleſtick let it down into the
Receiver, and ſo ſuſpended it that the
Flame burnt almoſt in the middle of the
Veſſel, we did in ſome two minutes ex
actly cloſe it up: and, upon Pumping ve
ry nimbly, we found that within little
more then half a minute after the Flame
went out, though the Snuff had been
purpoſely left of that length we judged
the moſt convenient for the laſting of
the Flame.

Experi
ment 10.

But the ſecond time having put in the
ſame Candle into the Receiver, (after it
had by the blaſts of a pair of Bellows
been freed from Fumes) the Flame laſted
about two minutes from the time the
Pumper began to draw out the Air; up
on the firſt exſuction whereof, the Flame
ſeem'd to contract it ſelf in all its Dimen
ſions. And theſe things were further ob-

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