Borelli, Giovanni Alfonso
,
De motionibus naturalibus a gravitate pendentibus
,
1670
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ſui exiguitatem inobſeruabilia, & inconſpicua fue
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rant, poſtea facto vacuo, ſcilicèt ſublata incumbentis
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aeris compreſſione, ſubitò conſpiciuntur ſenſim infla
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ri, augerique, vt efficiant ampullas grandes per
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aquã
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aſcendentes, quæ ad confinium ſupremum eius per
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ductæ diſſiliunt, euomuntque aereas particulas intra
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prædictum ſpatium inane, cùm è contra ſi dum actu
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eleuantur ampullæ amplæ illæ aereæ, denuò compri
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mantur aere ſupremè introducto momento conſpi
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cies aerem denuò ad ſtrictiſſimum, & inconſpicuum
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ſpatium redigi; Non poteſt igitur negari, niſi negatis
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euidẽtiſſimis
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ſenſationibus, quod naturalis aeris
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cõ-ſtitutio
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ſtitutio</
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, & diſpoſitio ſit illa ampliſſima, & rariſſima; &
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præterea quòd quotieſcumque à vi externa compri
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mitur, conſtringiturque nihilominùs habeat quoque
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vim, & energiam naturalem ſeſe celerrimè dilatandi,
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facta nimirum reſilitione ad modum machinæ. </
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Cap. 5. de ae
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ris grauitate
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æquilibrio,
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ſtructura, &
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vi elaterią
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eius.</
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Cap. 5. de ae
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ris grauitate
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æquilibrio,
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ſtructura, &
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vi elaterią
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eius.</
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PROP. CXXIII.
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Aer videtur compoſitus ex machinulis, quæ ſtringi
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quidem adhibita violentia poſsint, ſed postea
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ſponte reſilire ad inſtar arcus valeant.
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<
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">HIc iam quæri poteſt, qualis nam eſſe oporteat
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aeris ſtructura ac forma, vt prædictas opera
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tiones efficere valeat. </
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<
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">Et profectò ſi ſenſu, non uerò
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phantaſticis, & chimericis hypotheſibus philoſo
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phandum eſt, confiteri tenemur aerem componi ex
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machinis flexibilibus, & reſilientibus ad modum ar-</
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