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="013/01/073.jpg" pagenum="33"/>
              in the Tube fell down lower, about three
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              inches, at the top of the Mountain then
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              at the bottom. </s>
              <s>And a Learned Man a
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              while ſince inform'd me, That a great
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                <emph type="italics"/>
              Virtuoſo,
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              friend to us both, has, with not
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              unlike ſucceſs, tryed the ſame Experi­
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              ment in the lower and upper parts of a
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              Mountain in the Weſt of
                <emph type="italics"/>
              England:
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              Of
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              which, the reaſon ſeems manifeſtly enough
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              to be this, That upon the tops of high
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              Mountains, the Air which bears againſt
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              the reſtagnant Quick-ſilver, is leſs preſſ'd
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              by the leſs ponderous incumbent Air; and
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              conſequently is not able totally to hinder
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              the deſcent of ſo tall and heavy a Cylin­
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              der of Quick-ſilver, as at the bottom of
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              ſuch Mountains did but maintain an
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              Æqui­
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              librium
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              with the incumbent Atmoſphere. </s>
            </p>
            <p type="main">
              <s>And if it be yet further Objected a­
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              gainſt what hath been propoſ'd touching
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              the compactneſs and preſſure of the Infe­
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              rior Air; That we finde this very Air to
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              yield readily to the motion of little Flies,
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              and even to that of Feathers, and ſuch o­
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              ther light and weak Bodies; which ſeems
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              to argue, that the particles of our Air are
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              not ſo compreſſ'd as we have repreſented
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              them, eſpecially, ſince by our former
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              Experiment it appears, that the Air rea-</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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