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

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      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb xlink:href="013/01/129.jpg" pagenum="89"/>
              the Tricker one end of a ſtring, whoſe
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              other end was faſten'd to the Key former­
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              ly mention'd to belong to the Cover of
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              our Receiver. </s>
              <s>This done, we convey'd
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              the Piſtol, together with the annexed
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              Staff, into the Veſſel: which being cloſ'd
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              up, and empty'd after the uſual man­
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              ner, we began to turn the Key in the
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              Cover; and thereby ſhortning the ſtring
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              that reach'd from it to the Piſtol, we
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              pull'd aſide the Tricker, and obſerv'd,
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              that according to our expectation the
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              force of the Spring of the Lock was
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              not ſenſibly abated by the abſence of
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              the Air. (from whoſe
                <emph type="italics"/>
              impetus
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              yet ſome
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              Modern Naturaliſts would derive the
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              cauſe of the motion of Reſtitution in
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              ſolid Bodies) For the Cock falling
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              with its wonted violence upon the Steel,
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              ſtruck out of it as many and as conſpi­
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              cuous parts of Fire, as, for ought we
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              could perceive, it would have done in
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              the open Air. </s>
              <s>Repeating this Experi­
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              ment divers times, we alſo obſerved
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              whether or no there would appear
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              any conſiderable Diverſity in the
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              Motion of the ſhining Sparks in a
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              place where the remaining Aire was
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              ſo much rarified, but could not perceive </s>
            </p>
          </chap>
        </body>
      </text>
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