Boyle, Robert
,
New experiments physico-mechanicall, touching the spring of the air and its effects
,
1660
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<
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>The Air being ſparingly let into the
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Receiver, the great bubbles formerly
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mention'd as incumbent upon one ano
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ther, in that Glaſs that contain'd the Spi
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rit of Urine, were by orderly degrees
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leſſen'd, till at length they wholly ſubſi
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ded, notwithſtanding the receſs of ſo ma
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ny bubbles as broke on the top of the
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Spirit of Urine, during all the time of the
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Experiment; yet it ſcarcely appear'd at all
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to be ſunk below the mark: Nor did the
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mixture of Spirit of Wine and Water
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conſiderably ſubſide. </
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<
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>But that is no
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thing to what we obſerv'd in the Spirit
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of Wine, for not onely it conſpicuouſly
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expanded it ſelf in the Neck of the
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Veſſel that contain'd it, notwithſtand
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ing the largeneſs of it; and that the
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bubbles were about to break at the
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top of it almoſt aſſoon as they arriv'd
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there: but upon the re-admiſſion of
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the external Air, the Spirit of Wine
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retain'd its newly acquired expanſion.
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<
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>And though we let it alone for near
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an hour together, in expectation that it
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might ſubſide; yet when we took it
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out, we found it ſtill ſwell'd between a
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quarter and half an Inch above the
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mark; and although it was not eaſily </
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