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

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb xlink:href="013/01/071.jpg" pagenum="31"/>
                <emph type="italics"/>
              Riviolo
                <emph.end type="italics"/>
              makes it probable, that the At­
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              moſphere may, at leaſt in divers places, be
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              at leaſt 50 miles high. </s>
              <s>So that according to
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              a moderate eſtimate of the thickneſs of
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              the Atmoſphere, we may well ſuppoſe,
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              that a Column of Air, of many miles in
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              height, leaning upon ſome ſpringy Cor­
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              puſcles of Air here below, may have
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              weight enough to bend their little ſprings,
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              and keep them bent: As, to reſume our
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              former compariſon, if there were fleeces of
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              Wooll pil'd up to a mountainous height
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              upon one another, the Hairs that com­
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              poſe the lowermoſt locks which ſupport
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              the reſt, would, by the weight of all the
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              Wool above them, be as well ſtrongly
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              compreſſed, as if a man ſhould ſqueeze
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              them together in his hands, or imploy any
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              ſuch other moderate force to compreſs
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              them. </s>
              <s>So that we need not wonder, that
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              upon the taking off the incumbent Air
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              from any parcel of the Atmoſphere here
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              below, the Corpuſcles, whereof that un­
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              dermoſt Air conſiſts, ſhould diſplay them­
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              ſelves, and take up more room then be­
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              fore. </s>
            </p>
            <p type="main">
              <s>And if it be objected, That in Water,
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              the weight of the upper and of the lower
                <lb/>
              part is the ſame: I anſwer, That beſides </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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