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="013/01/228.jpg" pagenum="198"/>
              formér floating poſture: And this Expe­
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              riment taught us, among other things,
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              that it was a work of more time and la­
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              bor then we imagin'd, to exhauſt our En­
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              gine as much as it may be exhauſted: for
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              although before the emerging of the ſmall
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              Viol, we did (as has been touch'd alrea­
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              dy) think we had very conſiderably em­
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              ptyed the Receiver, becauſe there ſeem'd
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              to come out but very little or almoſt
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              no ſenſible Air at each exſuction into
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              and out of the Cylinder; yet after­
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              wards, at each drawing down the Suc­
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              ker, the Air included in the Viol did
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              manifeſtly dilate it ſelf, ſo long, that
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              it did no leſs then nine times turn its
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              mouth upwards, and diſcharge a bub­
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              ble by conjecture about the bigneſs of
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              a Pea, after the manner newly recited.
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              </s>
              <s>But as for that Violl which had the
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              weight in it, it roſe not at all. </s>
              <s>So
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              that being not able by quick pumping
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              to gain another bubble from the Air
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              in the ſwimming Glaſs, which proceed­
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              ed from ſome ſmall leak in the Veſſel,
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              though it held in this Experiment more
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              ſtanch then was uſual, we thought fit
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              to let in leaſurely the Air from with­
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              out, upon whoſe admiſſion that with-</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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