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="013/01/090.jpg" pagenum="50"/>
              we are wont to think uncompreſſ'd, we
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              cauſ'd a Bladder dry, well ty'd and blown
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              moderately full, to be hung in the Recei­
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              ver by one end of a ſtring, whoſe other
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              end was faſtned to the inſide of the Co­
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              ver: and upon drawing out the ambient
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              Air, that preſſ'd on the Bladder; the in­
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              ternal Air not finding the wonted reſiſt­
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              ance, firſt ſwell'd and diſtended the Blad­
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              der, and then broke it, with ſo wide and
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              crooked a rent, as if it had been forcibly
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              torn aſſunder with hands. </s>
              <s>After which a
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              ſecond Bladder being convey'd in, the Ex­
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              periment was repeated with like ſucceſs:
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              And I ſuppoſe it will not be imagin'd that
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              in this caſe the Bladder was broken by its
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              own Fibres, rather then by the Impri­
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              ſon'd Air. </s>
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            <p type="margin">
              <s>
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                <emph type="italics"/>
              Experi­
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              ment
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              5.</s>
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            <p type="main">
              <s>And of this Experiment theſe two
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              Phæ­
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              nomena
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              may be taken notice of: The one,
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              that the Bladder at its breaking gave a
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              great report, almoſt like a Craker: And
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              the other, That the Air contain'd in the
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              Bladder, had the power to break it with
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              the mention'd Impetuoſity, long before
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              the ambient Air was, all or near all, drawn
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              out of the Receiver. </s>
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            <p type="main">
              <s>But, to verifie what we ſay in another
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              Diſcourſe, where we ſhow, That even </s>
            </p>
          </chap>
        </body>
      </text>
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