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="013/01/178.jpg" pagenum="148"/>
              ſubſtance ſubtler then it ſelf, reſiding m­
                <lb/>
              it. </s>
              <s>In order to the ſatisfying my ſelf about
                <lb/>
              the firſt of theſe, I intended to let down
                <lb/>
              into the Receiver a Veſſel of Water,
                <lb/>
              wherein ſhould be immerſ'd a very ſmall
                <lb/>
              oyl'd Bladder, almoſt devoid of Air, but
                <lb/>
              ſtrongly ty'd up at the Neck with a ſtring,
                <lb/>
              and detain'd a little under Water by ſuch
                <lb/>
              a weight faſten'd to that ſtring, as ſhould
                <lb/>
              juſt be able to keep the Bladder from
                <lb/>
              ſwimming, and no more. </s>
              <s>For I ſuppoſ'd,
                <lb/>
              that if when all things were thus order'd,
                <lb/>
              the Receiver were empty'd, in caſe there
                <lb/>
              were any ſuch preſſure of the Atmoſphere
                <lb/>
              upon Water, as I was inclin'd to believe,
                <lb/>
              the Air within the Bladder, being upon the
                <lb/>
              exſuction of the Air within the Receiver,
                <lb/>
              freed from that preſſure, and being preſſ'd
                <lb/>
              onely by the ſmall weight of the in­
                <lb/>
              cumbent Water, would conſiderably ex­
                <lb/>
              pand it ſelf; but whil'ſt we were prepa­
                <lb/>
              ring Bladders for this Experiment, there
                <lb/>
              occurr'd an eaſie way for the making at
                <lb/>
              once both the Diſcoveries I deſir'd. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg23"/>
                <emph type="italics"/>
              Experi­
                <lb/>
              ment
                <emph.end type="italics"/>
              21.</s>
            </p>
            <p type="main">
              <s>We took then a Glaſs Viol, containing
                <lb/>
              by gheſs a pound and ſome ounces of
                <lb/>
              Water, this we fill'd top full, and then
                <lb/>
              we put into the Neck of it a Glaſs Pipe
                <lb/>
              a pretty deal bigger then a Gooſe Quill, </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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