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

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    <archimedes>
      <text>
        <body>
          <chap>
            <pb xlink:href="013/01/172.jpg" pagenum="142"/>
            <p type="main">
              <s>As much of the event as concerns our
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              preſent purpoſe, was this, That till a con­
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              ſiderable part of the Air was drawn out
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              of the Receiver, the Tube continu'd top­
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              full of Water as when it was put in, it be­
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              ing requiſite that a great part of the Air
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              formerly contain'd in the Receiver, ſhould
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              be drawn out, to bring the remaining
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              Air to an
                <emph type="italics"/>
              Æquilibrium
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              with ſo ſhort and
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              light a Cylinder of Water. </s>
              <s>But when
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              once the Water began to fall in the Tube,
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              then each exſuction of Air made it de­
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              ſcend a little lower, though nothing near
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              ſo much as the Quick-ſilver at the begin­
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              ning did in the Experiment formerly men­
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              tion'd. </s>
              <s>Nor did there appear ſo much
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              inequality in the ſpaces tranſmitted by
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              the Water in its deſcent, as there did in
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              thoſe obſerv'd in the fall of the Quick­
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              ſilver, of which the cauſe will ſcarce ſeem
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              abſtruſe to him that ſhall duly reflect up­
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              on what has been already deliver'd. </s>
              <s>And
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              whereas we drew down the Quick-ſilver
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              in the Tube ſo far as to bring it within an
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              Inch of the ſurface of the other Quick­
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              ſilver into which it was to fall; the loweſt
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              we were able to draw down the Water
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              was, by our conjecture, to about a Foot </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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