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="013/01/048.jpg" pagenum="8"/>
              as occaſion requir'd, to make uſe of ſuch
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              Tubes, as if no ſuch holes had been left
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              in them; by deviſing ſtopples for them,
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              made of the common Plaiſter call'd
                <emph type="italics"/>
              Dia­
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              chylon:
                <emph.end type="italics"/>
              which I rightly enough gheſſ'd,
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              would, by reaſon of the exquiſite com­
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              mixtion of its ſmall parts, and cloſeneſs
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              of its texture, deny all acceſs to the ex­
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              ternal Air. </s>
              <s>Wherefore, ſuppoſing that
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              by the help of ſuch Plaiſters, carefully
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              laid upon the commiſſures of the ſtopple
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              and hole to be made in the Receiver, the
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              external Air might be hindred from inſi­
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              nuating it ſelf between them into the Veſ­
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              ſel, we cauſ'd ſeveral ſuch Glaſſes, as
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              you will finde deſcrib'd a little lower, to
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              be blown at the Glaſs-houſe; and though
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              we could not get the Work-men to blow
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              any of them ſo large, or of ſo conveni­
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              ent a ſhape as we would fain have had; yet
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              finding one to be tolerably fit, and leſs
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              unfit then any of the reſt, we were con­
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              tent to make uſe of it in that En­
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              gine: Of which, I ſuppoſe, you by this
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              time expect the Deſcription, in order to
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              the Recital of the
                <emph type="italics"/>
              Phænomena
                <emph.end type="italics"/>
              exhibited
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              by it. </s>
            </p>
            <p type="main">
              <s>To give your Lordſhip then, in the
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              firſt place, ſome account of the Engine it </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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