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

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb xlink:href="013/01/088.jpg" pagenum="48"/>
              and ſeem'd to lift up the Bladder it
                <lb/>
              ſelf. </s>
            </p>
            <p type="main">
              <s>Now becauſe it has by very Learned
                <lb/>
              Men been doubted whether the ſwelling
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              of the Bladder may not have proceeded
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              from the Dilatation of the included Air,
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              but from the Texture of the Fibres,
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              which, being wont to keep the Bladder
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              extended when the Animal to whom it
                <lb/>
              belong'd was alive, may be ſuppoſ'd in
                <lb/>
              our Experiment to have return'd, like ſo
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              many Springs to their wonted extent, up­
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              on the removal of the Ambient Air that
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              compreſſ'd and bent them: becauſe this,
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              I ſay, has been doubted, we thought fit
                <lb/>
              to make this further tryall. </s>
            </p>
            <p type="main">
              <s>We let down into the Receiver with
                <lb/>
              the fore-mentioned Bladder two other
                <lb/>
              much ſmaller, and of the ſame kinde of
                <lb/>
              Animal; the one of theſe was not ty'd
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              up at the neck that there might be liberty
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              left to the Air that was not ſqueez'd out
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              (which might amount to about a fifth
                <lb/>
              part of what the Bladder held before) to
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              paſs out into the Receiver: The other had
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              the ſides of it ſtretch'd out and preſſ'd to­
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              gether, almoſt into the form of a Cup,
                <lb/>
              that they might intercept the leſs Air be­
                <lb/>
              twixt them, and then was ſtrongly ty'd </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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