Borelli, Giovanni Alfonso
,
De motionibus naturalibus a gravitate pendentibus
,
1670
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pendere aiunt quod aquæ particulæ nequeant ſuam̨
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vim motiuam exercere intra aerem, & propterea co
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gantur motu reflexo excurrere intra profunditatem
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eiuſdem aqueæ guttulæ, & ex hiſce motibus reflexis
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ſphæricam figuram guttæ efformari aiunt. </
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<
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cauſa eſt pororum aſſimetria, inquiunt enim poroſi
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tates aeris eius figuræ eſſe, vt particulæ aquæ nequa
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quam poſſint per incongruentes poroſitates aeris in
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ſinuari, & excurrere. </
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aere coercetur, ac ſi eſſet fornix marmoreus. </
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Defectum
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analogiæ flui
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dorum, aut a
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diuerſita rę
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motuum aut
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ab
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incõgruẽ-tia
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tia</
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pororum
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pendere cea
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ſcut. </
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Cap. 8. cur
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exiguæ aquæ
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guttæ ſupra
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libellã
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aquæ
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aſcendunt.</
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PROP. CLXVIII.
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Ob motuum diuerſitatem aquæ, & aeris non poſſunt aquæ
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guttulæ ſphæricè conglobari.
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<
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">ET quoad motuum diuerſitatem pertinet,
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notã-dum
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dum</
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eſt verum non eſſe, quòd motus vnius cor
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poris omninò impediatur à motu diuerſo alterius,
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hoc enim contingit quando prædicti motus ſunt in
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ter ſe contrarij per eamdem rectam lineam, & æqua
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libus viribus, & velocitatibus facti; ſi enim non ſint
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inter ſe contrarij, ſed ambo ad eaſdem partes
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tẽdãt
">tendant</
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,
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tunc non omninò impeditur motus alterius corporis,
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ſed tantummodò alteratur quoad directionem, vel
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circa velocitatem; quia verò aduerſarij ſupponunt
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motiones partium tum aquæ cùm aeris, vagas, & di
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uerſimodas ſursùm, deorsùm, & lateraliter, erit om
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ninò impoſſibile, vt ſemper motus
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particularũ
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aquæ
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opponantur motionibus, quibus partes aeris
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agitã-
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