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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            <p type="main">
              <s>
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              blown in, could get out of them, but by
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              violently breaking them. </s>
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            <p type="main">
              <s>It will not be amiſs on this occaſion to
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              point at ſomething which may deſerve a
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              more deliberate Speculation then we can
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              now afford it; namely that the Elaſtical
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              Power of the ſame Quantity of Air may
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              be as well Encreaſ'd by the Agitation of
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              the Aërial Particles (whether onely mo­
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              ving them more ſwiftly and ſcattering
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              them, or alſo extending or ſtretching
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              them out, I determine not) within an
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              every way incloſing and yet yielding Bo­
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              dy; as Diſplay'd by the withdrawing of
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              the Air that preſſ'd it without. </s>
              <s>For we
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              found that a Bladder, but moderately
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              fill'd with Air and ſtrongly ty'd, being
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              a while held near the Fire, not onely grew
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              exceeding turgid and hard, but after­
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              wards, being approach'd nearer to the
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              Fire, ſuddenly broke with ſo loud and ve­
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              hement a noiſe, as ſtony'd thoſe that were
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              by, and made us, for a while after, almoſt
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              deaf. </s>
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              <s>HAving thus ſeen that the Air has an
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              Elaſtical Power, we were next deſi­
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              rous to know in ſome meaſure how far a </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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