Boyle, Robert
,
New experiments physico-mechanicall, touching the spring of the air and its effects
,
1660
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out the Air and Smoke, the Veſſel
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were made leſs opacous, and leſs full of
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compreſſing matter; as appeard by this,
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That the longer we pump'd, the leſſer
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Air and Smoke came out of the Cylin
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der at the opening the Valve, and conſe
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quently the leſs came into it before; yet
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the Fire in the Match went but ſlowly
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out. </
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>And when afterwards, to ſatisfie
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our ſelves of its expiration, we had dar
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ken'd the Room, and in vain endeavored
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to diſcover any ſpark of Fire, as we could
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not for ſome time before by the help of
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Candles diſcern the leaſt riſing of Smoke,
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we yet continued pumping ſix or ſeven
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times; and after all that letting in the
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Air, the ſeemingly dead Fire quickly
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revived, and manifeſted its recovery by
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Light and ſtore of Smoke, with the
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latter of which it quickly began to re
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pleniſh the Receiver. </
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>Then we fell
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to pumping afreſh, and continued that
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labour ſo long till the re-kindled
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Match went out again: and thinking
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it then fit not to ceaſe from Pum
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ping ſo ſoon as before, we found that
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in leſs then half a quarter of an hour the
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Fire was got out for good and all, </
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