Boyle, Robert, New experiments physico-mechanicall, touching the spring of the air and its effects, 1660

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              <s>
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              Experi­
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              ment
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              26.</s>
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              <s>THat the Air is the medium whereby
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              ſounds are convey'd to the Ear, has
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                <arrow.to.target n="marg34"/>
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              been for many Ages, and is yet the com­
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              mon Doctrine of the Schools. </s>
              <s>But this
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              Received Opinion has been of late op­
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              poſ'd by ſome Philoſophers upon the ac­
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              count of an Experiment made by the
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              Induſtrious
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              Kircher,
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              and other Learned
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              Men, who have (as they aſſure us) ob­
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              ſerv'd, That if a Bell, with a Steel Clap­
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              per, be ſo faſten'd to the inſide of a Tube,
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              that upon the making the Experiment
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              De
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              Vacuo
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              with that Tube, the Bell remain'd
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              ſuſpended in the deſerted ſpace at the up­
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              per end of the Tube: And if alſo a vi­
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              gorous Load-ſtone be apply'd on the out­
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              ſide of the Tube to the Bell, it will at­
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              tract the Clapper, which upon the Remo­
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              val of the Load-ſtone falling back, will
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              ſtrike againſt the oppoſite ſide of the
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              Bell, and thereby produce a very audible
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              ſound, whence divers have concluded,
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              That 'tis not the Air, but ſome more ſub­
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              tle Body that is the medium of ſounds.
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              </s>
              <s>But becauſe we conceiv'd that, to invali­
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              date ſuch a conſequence from this ingeni­
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              ous Experiment (though the moſt lucife-</s>
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