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

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              repleniſhed. </s>
              <s>And becauſe it might be
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              ſuſpected that the depreſſion of the Li­
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              quor might proceed from the agitation
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              whereinto the exhaling and impriſon'd
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              ſteams were put, by that heat which is
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              wont to reſult from that action of corro­
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              ſive ſalts upon Metals, we ſuffered both
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              the Viol and the open-mouthed Glaſs to
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              remain as they were, in a Window, for
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              three or four days and nights together; but
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              looking upou them ſeveral times during
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              that while, as well as at the expiration of
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              it, the whole cavity of the Glaſs bubble,
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              and moſt of its Neck, ſeem'd to be poſ­
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              ſeſſ'd by Air, ſince by its ſpring it was a­
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              ble for ſo long to hinder the expell'd and
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              ambient Liquor from regaining its former
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              place. </s>
              <s>And it was remarkable, that juſt
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              before we took the Glaſs bubble out of
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              the other Glaſs, upon the application
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              of a warm hand to the convex part of the
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              bubble; the Impriſon'd ſubſtance readily
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              dilated it ſelf like Air, and broke through
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              the Liquor in divers bubbles, ſucceeding
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              one another. </s>
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              <s>Having alſo another time try'd the like
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              Experiment with a ſmall Viol, and with
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              Nails diſſolv'd in
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              Aquafortis,
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              we found
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              nothing incongruous to what we have
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              now deliver'd. </s>
              <s>And this Circumſtance </s>
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