Boyle, Robert
,
New experiments physico-mechanicall, touching the spring of the air and its effects
,
1660
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the recovery of its former more looſe and
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free condition, till the Fleece have ei
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ther regain'd its former Dimenſions, or
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at leaſt, approach'd them as near as the
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compreſſing hand (perchance not quite
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open'd) will permit. </
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>This Power of
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ſelf-Dilatation, is ſomewhat more conſpi
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cuous in a dry Spunge compreſſ'd, then
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in a Fleece of Wooll. </
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>But yet we ra
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ther choſe to imploy the latter, on this
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occaſion, becauſe it is not like a Spunge,
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an entire Body, but a number of ſlen
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der and flexible Bodies, looſely com
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plicated, as the Air it ſelf ſeems to
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be. </
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>There is yet another way to explicate
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the Spring of the Air, namely, by ſuppo
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ſing with that moſt ingenious Gentleman,
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Monſieur
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Des Cartes,
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That the Air is no
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thing but a Congeries or heap of ſmall
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and (for the moſt part) of flexible Parti
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cles; of ſeveral ſizes, and of all kinde of Fi
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gures which are raiſ'd by heat (eſpecially
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that of the Sun) into that fluid and
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ſubtle Etheriall Body that ſurrounds
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the Earth; and by the reſtleſſe agi
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tation of that Celeſtial Matter where
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in thoſe Particles ſwim, are ſo whirl'd </
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