Boyle, Robert
,
New experiments physico-mechanicall, touching the spring of the air and its effects
,
1660
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time been communicated or propagated
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through both the Glaſſes, and the inter
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val betwixt them to the Impriſon'd Air,
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did ſo rarifie that, as to inable it, by preſ
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ſing upon the ſubjacent Water, to impel
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that in the Pipe very many times as far as
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it had fallen downwards upon the Exſucti
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on of the Air. </
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>Yet ſhall not we conclude, that in the
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cavity of the Receiver the cold was great
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er after the Exſuction of the Air then be
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fore. </
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>For if it be demanded what then could
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cauſe the fore-mention'd ſubſiding of the
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Water? </
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>it may be anſwered, That pro
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bably it was the reaching of the Glaſs
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Egge, which, upon the Exſuction of the
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ambient Air, was unable to reſiſt alto
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gether as much as formerly the preſſure of
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the included Air, and of the Atmoſphere,
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which by the intervenſion of the Water,
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preſſ'd upon its concave ſurface: Which
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ſeem'd probable, as well by what was a
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bove deliver'd, in the Experiment about
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the breaking of the Glaſs by the force of
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the Atmoſphere; as by this notable Cir
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cumſtance (which we divers times ob
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ſerv'd) That when by drawing the Air out
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of the Receiver, the Water in the Pipe </
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