Borelli, Giovanni Alfonso
,
De motionibus naturalibus a gravitate pendentibus
,
1670
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conſtringatur anguſteturque, & proinde incumbens
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aqua velociori motu, & ideò impetu, & vi maiori
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fluere cogatur per anguſtias C, quàm per amplum̨
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alueum
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abbr
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BFQ
">BFQ</
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quare oportet vt vehementiùs, & ma
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iori impetu, & vi pars olei versùs C deorsùm com
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primatur, contundaturque quàm reliquæ partes olei
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propinquiores vertici eius B, è contra aqua ſubiecta
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CKIG reflectitur ſursùm, impellit, atque contundit
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infimam baſim olei GC ea vi, & impetu quo collate
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ralis aqua FCPQ exceſſu ſuæ grauitatis ſuperat ſpe
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cificam olei ponderoſitatem. </
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<
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bus viribus
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cõtrarijs
">contrarijs</
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, veluti prælo, comprimitur
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abbr
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oleũ
">oleum</
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lb
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BCG ſupernè ab impetu aquæ obliquè deſcenden
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tis per BC, & infernè à vi aquæ reflexæ oleum
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abbr
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ſursũ
">ſursum</
expan
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impellentis, cùmque vis, & compreſſio, quæ ſupernè
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infertur, inæqualis ſit, vehementiori, & validiori vi
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facta propè terminum C, & debiliori, verſus
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abbr
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verticẽ
">verticem</
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B, impulſus verò ſubiectæ aquæ IKCG licèt vnifor
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mis ſit vbique, nihilominùs propter minorem
<
expan
abbr
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deſcẽ-dentis
">deſcen
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dentis</
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aquæ obſiſtentiam in B, quàm versùs C ſit
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vt vehementiùs oleum impellatur contundaturque à
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ſubiecta aqua reflexa versùs axem IG vbi niſum
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expan
abbr
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cõ-trarium
">con
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trarium</
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>
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expan
abbr
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debiliorẽ
">debiliorem</
expan
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offendit quàm versùs latera A, &
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C, & propterea ſuperficies ſubiecta olei AGC exca
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uata erit ad modum ſcutellæ, & hoc quidem neceſ
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ſariò efficietur non à vi intrinſeca, & naturali leuita
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tis ipſius olei, ſed à ſuppoſita energia grauitatis
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fluidi ambientis, quod fuerat demonſtrandum. </
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