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

Table of figures

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              bubble with a very ſmall Neck (not ex­
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              ceeding the ſixth part of an Inch in Dia­
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              meter) which we fill'd half way to the
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              top, and then convey'd it into the Recei­
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              ver; the iſſue was, That though we drew
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              out more then ordinary, yet there ap­
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              pear'd not the leaſt intumeſcence of the
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              Water, nor any aſcending bubbles. </s>
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              <s>But ſuſpecting that either the ſmall
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              quantity of the water or the Figure of the
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              Veſſel might have an intereſt in this odde
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              Phænomenon,
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              we took the lately mention'd
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              Philoſophical Egge, and another not
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              much differing from it; the former we
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              fill'd up with diſtill'd Rain-water to the
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              old mark, and into the latter we put a
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              long Cylinder or Rod of ſolid Glaſs to
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              ſtreighten the cavity of the Neck by al­
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              moſt filling it up; and then pouring ſome
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              diſtilled Water into that alſo, till it
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              reach'd within ſome Fingers breadth of
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              the top, the Eggs were let down into the
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              Receiver. </s>
              <s>In this Experiment the Air
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              was ſo far drawn forth before there ap­
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              pear'd any bubble in either of the Glaſſes,
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              that the diſparity betwixt this and com­
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              mon water was manifeſt enough. </s>
              <s>But at
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              length, when the Air was almoſt quite
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              pump'd out, the bubbles began to diſ-</s>
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