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

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    <archimedes>
      <text>
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          <chap>
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              <s>
                <pb xlink:href="013/01/301.jpg" pagenum="271"/>
              immediately ſubſide in the ſmall Pipe.
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              </s>
              <s>And this would indeed infer, that it aſ-
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              cended before onely by the preſſure of
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              the incumbent Air: But that it may
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              (how juſtly I know not) be objected,
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              that preadventure this would not hap-
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              pen, in caſe the upper ende of the Pipe
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              were in a
                <emph type="italics"/>
              Vacuum
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              : And that 'tis very
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              probable the Water may ſubſide, not
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              becauſe the preſſure of the internal Air
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              is taken off by Exſuction, but by reaſon
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              of the Spring of the external Air,
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              which impels the Water it findes in its
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              way to the Cavity deſerted by the
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              other Air, and would as well impell
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              the ſame Water upwards, as make it
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              ſubſide, if it were not now leiſure to exa-
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              mine any further this Matter, I ſhall
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              onely minde Your Lordſhip, that if
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              You will proſecute this Speculation,
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              it will be pertinent to finde out likewiſe,
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              Why the ſurface of Water /as is manifeſt
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              in Pipes) uſes to be concave, being de-
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              preſſ'd in the middle, and higher on eve-
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              ry side? and Why in Quick-ſilver on the
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              contrary, not onely the ſurface is wont </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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