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

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            <p type="main">
              <s>
                <pb xlink:href="013/01/186.jpg" pagenum="156"/>
              bubbles, the greater they will grow, be­
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              cauſe having the leſs weight and preſſure
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              upon them, the Expanſion of that Air
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              which makes them, can be the leſs reſiſted
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              by the preſſure of the incumbent Water
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              and Air; as ſeems probable from hence,
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              that upon the letting in a little external
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              Air, thoſe bubbles immediately ſhrink. </s>
            </p>
            <p type="margin">
              <s>
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                <emph type="italics"/>
              Experi­
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              ment
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              22.</s>
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            <p type="main">
              <s>It may indeed, as we lately intimated,
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              be conjectur'd, that theſe bubbles pro­
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              ceed not ſo much from any Air pre-exi­
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              ſtent in the Water, and lurking in the
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              Pores of it, as from the more ſubtle parts
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              of the Water it ſelf; which by the expan­
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              ſion allow'd them upon the diminiſh'd
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              preſſure of the ambient Bodies may gene­
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              rate ſuch bubbles. </s>
              <s>And indeed, I am not
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              yet ſo well ſatisfied that bubbles may not
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              (at leaſt ſometimes) have ſuch an Origina­
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              tion: but that which makes me ſuſpect
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              that thoſe in our tryals contain'd real Air
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              formerly latitant in the Pores of the Wa­
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              ter, is this, That upon the inletting of
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              the external Air, the Water was not
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              again impell'd to the very top of the
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              Tube whence it began to fall, but was
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              ſtopt in its aſcent near an Inch beneath
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              the top. </s>
              <s>And ſince, if the upper part of
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              the Tube had been devoyd of any other </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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