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="013/01/274.jpg" pagenum="244"/>
              Suction there muſt be ſome Endeavour
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              or motion in the ſucking to attract the
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              ſucked Body. </s>
              <s>But in our laſt Experi­
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              ment it appeares not at all how the up­
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              per part of the empty'd Cylinder that re­
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              maines moveleſs all the while, or any
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              part of it, does at all endeavour to draw
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              to it the depreſſed Sucker and the an­
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              nex'd weights. </s>
              <s>And yet thoſe that be­
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              hold the aſcention of the Sucker, without
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              ſeriouſly conſidering the cauſe of it, doe
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              readily conclude it to be rayſ'd by ſome­
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              thing that powerfully Sucks or attracts
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              it, though they ſee not what that may
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              be or where it lurks. </s>
              <s>So that it ſeemes
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              not abſolutely neceſſary to Suction, that
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              there be in the Body, which is ſaid to ſuck,
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              an endeavor or motion in order thereun­
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              to, but rather that Suction may be at leaſt
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              for the moſt part reduc'd to Pulſion, and
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              its effects aſcrib'd to ſuch a preſſure of
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              the neighboring air upon thoſe Bodies
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              (whther aërial, or of other Natures) that
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              are contiguous to the Body that is ſayd to
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              attract them, as is ſtronger than that Sub­
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              ſtance which poſſeſſes the cavity of that
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              ſucking Body is able to reſiſt. </s>
              <s>To ob­
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              ject here, that it was ſome particles of
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              Air remaining in the empty'd Cylin-</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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