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

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1lently by the incumbent Air, that get
ting a little within the tapering Lip of the
Glaſs, it did like a kinde of Wedge, thruſt
out that ſide where it was depreſſ'd, ſo as,
though the Receiver was new, to ſplit it.
This accident being thus mention'd upon
the by to confirm what we formerly ſaid
touching the fitneſs or unfitneſs of Glaſſes
of ſome Figures to reſiſt the preſſure of
the Atmoſphere; We will proceed to
relate the remaining part of the Experi
ment, namely, That having fitted on a
wider Cover to the ſame Receiver, and
cloſed both that and the crack with Ce
ment, we proſecuted the Experiment in
the manner above related, with this ſuc
ceſs: That upon the quick depreſſing of
the Sucker, the external Air burſt the
Body of the Viol in above a hundred pie
ces, many of them exceeding ſmall, and
that with ſuch violence that we found a
wide rent, beſides many holes, made in
the Bladder it ſelf.

And to evince that theſe Phænomena
were the effects of a limited and even
moderate force, and not of ſuch an ab
horrency of a Vacuum as that to avoid it,
many have been pleaſed to think that Na
ture muſt, upon occaſion, exerciſe an al-

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