Boyle, Robert
,
New experiments physico-mechanicall, touching the spring of the air and its effects
,
1660
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have been in the open Air. </
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<
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>And on di
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vers other occaſions it appear'd that the
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ſounds created within our exhauſted
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Glaſs, if they were not loſt before they
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reach'd the Ear, ſeem'd at leaſt to arrive
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there very much weaken'd. </
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<
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>We intended
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to try whether or no the Wire-ſtring of an
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Inſtrument ſhut up into our Receiver,
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would, when the ambient Air was ſuck'd
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out, at all tremble, if in another Inſtrument
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held cloſe to it, but without the Receiver
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a ſtring tun'd (as Muſicians ſpeak, how
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properly I now examine not) to an Uniſon
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with it, were briskly toucht, and ſet a Vi
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brating. </
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>This, I ſay, we purpoſ'd to try
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to ſee how the motion made in the Air
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without, would be propagated through the
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cavity of our evacuated Receiver. </
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<
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>But
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when the Inſtrument wherewith the tryal
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was to be made came to be imploy'd, it
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prov'd too big to go into the Pneumatical
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Veſſel, and we have not now the conveni
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ency to have a fitter made. </
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<
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>We thought likewiſe to convey into
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the Receiver a long and ſlender pair of
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Bellows, made after the faſhion of thoſe
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uſually employ'd to blow Organs, and fur
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niſh'd with a ſmall Muſical inſtead of an </
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