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

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                <pb xlink:href="013/01/098.jpg" pagenum="58"/>
              which happen'd to be at hand, though it
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              were not ſo fit for our purpoſe as we
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              could have wiſhed, in regard it was three
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              or four times as big at one end as the o­
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              ther. </s>
              <s>This Pipe which was thirty Inches
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              long, being Hermetically ſeal'd at the
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              ſlender end, was almoſt filled with Wa­
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              ter; and after the above-related manner
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              a bubble was convey'd to the top of it,
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              and the open extream was put into a Viol
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              that had a little fair Water at the bottom:
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              Then the Cover, by means of a ſmall hole
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              purpoſely made in it for the Glaſs Pipe to
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              ſtand out at, was cemented on to the Re­
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              ceiver, and the Pump being ſet awork,
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              after ſome exſuctions, not onely the Air
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              manifeſtly appear'd extended below the
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              ſurface of the ſubjacent Water; but one
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              of the By-ſtanders affirms, that he ſaw
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              ſome bubbles come out at the bottom of
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              the Pipe and break through the Water
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              This done, we left off Pumping, and ob­
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              ſerv'd how at the unperceiv'd leaks of the
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              Receiver the Air got in ſo faſt, thatit
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              very quickly impell'd up the Water to
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              the top of the Tube, excepting a little
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              ſpace whereinto that bubble was repulſ'd,
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              which had ſo lately poſſeſſ'd the whole
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              Tube; this Air at the ſlender end ap-</s>
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