Borelli, Giovanni Alfonso
,
De motionibus naturalibus a gravitate pendentibus
,
1670
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cauſa eleuationis aquæ in prædictis arginibus. </
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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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">Debet modo aſſignari virtus motiua, quæ eleuat,
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& ſuſtinet aquam ſupra propriam libellam vſque ad
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ſummitatem arginis, & hanc demonſtrabo eſſe ſim
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plicem aquæ grauitatem. </
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s.001969
">Quia aquæ particulæ ad
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hærentes parieti vaſis inſinuant ramos ſuarum machi
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nularum intra poroſitates, & foueolas parietis, à cu
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ius eminentijs, & aſperitatibus fulciuntur extremi
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tates particularum aquæ, quarum oppoſiti termini
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ſuſtinentur, à ſubiecta collaterali aqua, proptereà
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efficientur veluti totidem vectes conuertibiles circa
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eorum fulcimenta parieti annexa. </
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<
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id
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s.001970
">Hinc fit vt prædi
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ctæ aquæ particulæ exiguam vim compreſſiuam exer
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ceant, & minori momento ſubiectam aquam com
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primant, cùm partes aquæ collateralis liberè
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premẽ-do
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do</
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ſupra aquam ſubiectam integram ſuam vim, &
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momentum exerceant, igitur ex prop. 174. partes
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minùs preſſæ ſursùm impelli debent à partibus ma
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gis compreſſis: & licèt illæ retineantur, & impedian
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tur ne motu ſibi ipſi æquidiſtanti ferri ſursùm
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queãt
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,
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tamen eadem impedimenta
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aſperitatũ
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parietis præ
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clarè adiuuant flexionem, & turbinationem earun
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dem aquæ particularum, igitur à vi motiua grauita
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tis maioris aquæ collateralis flecti, rotari, & impelli
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ſursùm poſſunt parieti adhęrendo eædem aquæ par
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ticulæ; dum verò efficitur prædicta eleuatio, ſummi
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tates guttularum reuolutarum eminentiores reddun
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tur quàm aliæ particulæ parieti adhærentes, igitur
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tunc prædictæ particulæ iam eleuatæ naturali inſtin-</
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