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="013/01/219.jpg" pagenum="189"/>
              over at the top: by which means, we
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              were hindred from being able to diſcern
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              upon the letting in of the Air, how much
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              the ſubſidence of the Oyl below the firſt
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              mark was due to the receſs of the bub­
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              bles. </s>
            </p>
            <p type="main">
              <s>Having likewiſe a minde to try whe­
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              ther as ſtrong a ſolution of Salt of Tartar
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              in fair Water as could be made (we ha­
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              ving then no Oyl of Tartar
                <emph type="italics"/>
              per deliqui­
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              um
                <emph.end type="italics"/>
              at hand) though it be accounted,
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              Quick-ſilver excepted, the heavieſt of
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              Liquors would afford us any bubbles; we
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              put in a Glaſs Egge full of it at the ſame
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              time, with other Liquors, and found that
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              they did long yield ſtore of bubbles be­
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              fore any diſcovered themſelves in the
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              Liquor of Tartar; and having purſued
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              the Experiment, it appear'd, That of all
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              the Liquors we made tryal of, this afford­
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              ed the feweſt and the ſmalleſt Bubbles. </s>
            </p>
            <p type="main">
              <s>Spirit of Vinager being try'd after the
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              ſame manner, exhibited a moderate num­
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              ber of bubbles, but ſcarce any thing elſe
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              worth the mentioning. </s>
            </p>
            <p type="main">
              <s>Nor could we in red Wine, try'd in a
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              Glaſs Egge, take notice of any thing ve­
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              ry obſervable. </s>
              <s>For though upon the ex­
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              ſuction of the Air the bubbles aſcended </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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