Borelli, Giovanni Alfonso
,
De motionibus naturalibus a gravitate pendentibus
,
1670
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ritate perpendamus rationis vim, & energiam. </
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<
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rum eſt aquam fluidam quomodocumque diuiſam, &
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ſubdiuiſam ſemper fluiditatem retinere, igitur ſem
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per hiſce poſtremis particulis fluidis definitio fluidi
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tatis ſuperiùs tradita competet, ſcilicèt aliqua mi
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nor particula
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eiuſdẽ
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particulæ moueri poterit quie
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ſcentibus collateralibus partibus. </
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<
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corpora omnia ſublunaria innumeris poris, & forami
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nulis peruia ſunt, ſequitur quòd aqua omnia corpora
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concreta penetraret, nam concipiamus quemlibet
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porum ſtrictiſſimum in vaſe ligneo, vitreo, vel metal
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lico, certum eſt quòd portio aquea foraminulo præ
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dicto ſuperpoſita cui adæquatur, dimenſionem, &
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quantitatem habet æqualem amplitudini foraminis,
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& iuxtà quantitatis naturam ſemper diuiſibilem po
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terunt concipi particulæ centrales, & ſtrictiores,
<
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quã
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ſit amplitudo eiuſdem pori, quæ particulæ aquæ
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cẽ-trales
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trales</
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cùm poſſint moueri quieſcentibus collaterali
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bus, vt ſuperiùs expoſita fluidi natura exigit, ergo ne
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ceſſariò per amplitudinem pori liberè excurrere po
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terunt, & proindè nullum vas reperietur, per quod
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aqua penetrare queat: & aduertendum eſt, quòd à
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qualibet exigua vi motiua impelli, & inſinuari poſſet
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aqua per prædictas poroſitates, ſcilicèt à vi ſuæ pro
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priæ grauitatis, ſeù à quacumque alia vi eam
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te</
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, vel impellente, vt poſteriùs oſtendemus; hoc au
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tem eſt euidenter falſum, cùm aqua communis, aut
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ſpiritus vini ſubtiliſſimus vitri poroſitates penetrare
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non poſſit, licèt
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impellatur, igitur falſum eſt, </
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