Borelli, Giovanni Alfonso
,
De motionibus naturalibus a gravitate pendentibus
,
1670
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eſt, quia partes eiuſdem fluidi homogenei facillimè
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excurrunt ſupra, & intra ſe ipſas, dum propter ſoli
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ariditatem, quando ipſum humectare, & madeface
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re non poſſunt ob pororum incongruentiam, oportet
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vt omnes ſimul
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ſuper ſilum fluidum, vel ſuper
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axim perpendicularitèr plano ſubiecto inſiſtentem,
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& ſic in orbem, vt priùs dictum eſt, axi connectuntur,
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& globum integrum efformant magis tamen contu
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ſum, & depreſſum, quàm antea. </
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Cap. 8. cur
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exiguæ aquæ
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guttæ ſupra
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aquæ
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aſcendunt.</
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">Sed dices, quænam eſt vis motiua, quæ impellit
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partes duarum guttularum ſe tangentium vt ſursùm
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aſcendant in ſummitate guttulæ amplioris ex eis
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cõ-poſitæ
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poſitæ</
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? </
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<
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ex vi compreſ
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ſiua collateralium partium, quæ cùm
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poſſint pla
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no ſubiecto vniri, & à vi glutinis ſuperatur pondus
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partium eiuſdem fluidi, ſequitur vt ratione vectis
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particulæ intermediæ eleuentur. </
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ratio ſic perficitur: pri
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mò duo globi mercurij A
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BCD, & EBFG innixi
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pauimento VX in locis
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C, & F ſe tangant latera
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liter in B. hinc patet,
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quòd partes fluidę BC, &
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BF facilè intra ſe ipſas excurrendo ſe mutuò ample
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cti poſſunt, & excludere aerem
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intermediũ
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BCF ini
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tio facto à contactu B versùs C, & F. </
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in ſupremis partibus AB, & EB, vnde efformabitur
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figura quaſi ſphæroidalis, & oualis HIKL, quę poſtea </
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