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

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    <archimedes>
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              <s>
                <pb xlink:href="013/01/155.jpg" pagenum="125"/>
              of the inverted Tube into the Veſſell'd
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              Mercury, you may obſerve a bubble of
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              Air to aſcend from the bottom of the
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              Tube through the ſubſiding Quick-ſilver
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              to the top; and almoſt always you may,
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              if you look narrowly, take notice of a
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              multitude of ſmall bubbles all along the
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              inſide of the Tube betwixt the Quick­
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              ſilver & the glaſs: (not now to mention the
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              Particles of Air that lye conceal'd in the
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              very Body of the Mercury) Many of
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              which, upon the Quick-ſilvers forſaking
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              the upper part of the Tube, do break in­
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              to that deſerted ſpace where they finde
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              little or no reſiſtance to their expanding
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              of themſelves. </s>
              <s>Whether this be the rea­
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              ſon that upon the Application of warm
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              Bodies to the emptyed part of the Tube,
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              the ſubjacent Mercury would be depreſſ'd
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              ſomewhat lower, we ſhall not determine;
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              though it ſeem very probable, eſpecially
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              ſince we found that upon the application
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              of Linnen cloaths dipped in Water, to
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              the ſame part of the Tube, the Quick­
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              ſilver would ſomewhat aſcend, as if the
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              cold had condenſ'd the Impriſon'd Air,
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              that preſſ'd upon it, into a leſſer room.
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              </s>
              <s>But that the deſerted ſpace is not wont to
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              be totally devoid of Air, we were induc'd </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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