Boyle, Robert
,
New experiments physico-mechanicall, touching the spring of the air and its effects
,
1660
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ordinary Pipe. </
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>For we hop'd, that by
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means of a ſtring faſtned to the upper
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part of the Bellows, and to the moveable
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ſtopple that makes a part of the Cover
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of our Receiver, we ſhould, by frequent
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ly turning round that ſtopple, and the an
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nexed ſtring, after the manner already
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often recited, be able to lift up and diſtend
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the Bellows; and by the help of a com
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petent weight faſten'd to the ſame upper
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part of the Bellows, we ſhould likewiſe
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be able, at pleaſure, to compreſs them:
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and by conſequence, try whether that
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ſubtler matter then Air (which, accord
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ing to thoſe that deny a
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Vacuum,
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muſt be
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ſuppoſ'd to fill the exhauſted Receiver)
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would be able to produce a ſound in the
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Muſical Pipe; or in a Pipe like that of or
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dinary Bellows, to beget a Wind capable
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to turn or ſet a moving ſome very light
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matter, either ſhap'd like the Sails of a
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Wind-Mill, or of ſome other conveni
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ent form, and expoſ'd to its Orifice. </
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>This
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Experiment, I ſay, we thought to make,
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but have not yet actually made it for want
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of an Artificer to make us ſuch a pair of
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Bellows as it requires. </
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<
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ther or no, as Sounds made by Bodies in </
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