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

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              <s>
                <pb xlink:href="013/01/223.jpg" pagenum="193"/>
              That they aſcended with a very notable
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              celerity: Next, That being arriv'd at the
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              top, they made no ſtay there, and yet,
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              notwithſtanding the great thinneſs and
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              ſpitituouſneſs of the Liquor, did, before
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              they broke, lift up the upper ſurface of
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              it, and for a moment or two form thereof
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              a thin film or skin which appear'd protu­
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              berant above the reſt of the ſuperficies
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              like a ſmall Hemiſphere. </s>
              <s>Thirdly, That
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              they aſcended ſtraight up, whereas thoſe
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              produc'd at the lower part of the Veſſel,
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              containing the mixture of the Water and
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              Spirit of Wine, aſcended with a waver­
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              ing or wrigling motion, whereby they
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              deſcrib'd an indented Line. </s>
              <s>Laſtly, It
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              was obſervable in the Spirit of Wine (and
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              we took notice of the like in the Oyl of
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              Turpentine lately mention'd) that not
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              onely the bubbles ſeem'd to riſe from cer­
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              tain determinate places at the bottom of
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              the Glaſs, but that in their aſcenſion they
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              kept an almoſt equal diſtance from each
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              other, and follow'd one another in a cer­
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              tain order, whereby they ſeem'd part of
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              ſmall Bracelets, conſiſting of equally lit­
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              tle incontiguous Beads: the lower end of
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              each Bracelet, being as it were, faſten'd to
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              a certain point at the bottom of the Glaſs. </s>
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          </chap>
        </body>
      </text>
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