Casati, Paolo
,
Terra machinis mota : dissertationes geometricae, mechanicae physicae hydrostaticae
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velociùs mouetur quàm D, & D quàm C, & C
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quàm B, & B quàm A, & A quàm S, hoc eſt
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pondus P illi adne xum. </
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<
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>Igitur motus poten
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tiæ in M (liceat in pagellâ rem ad calculos
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reuocare) ad
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ponderis P eſt vt 15625
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ad 1. ſunt nimirum ſex Rationes quintuplæ,
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ex quibus Ratio motûs potentiæ ad motum
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ponderis componitur. </
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>Quare potentia, quæ
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abſque machinæ ſubſidio centum pondo mo
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uere valeret, hac adhibitâ machinâ pondus
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P librarum 1562500. attollet. </
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III
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Cochleæ in
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finitæ Com
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poſitæ uires
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cum Gloſſo
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como com
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parantur.
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<
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>Iam verò in minorum tympanorum FG
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HIK locum reponantur helices maiorum̨
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tympanorum ABCDE denticulis (quos 25 in
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toto ambitu fuiſſe exempli gratia ſtatuamus)
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congruentes: ipſaque tympana cum ſuis
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axibus in ſpiram deformatis in quadrato lo
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culamento, vt helicis inſinitæ natura fert,
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aptè diſponantur. </
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<
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>Conſtat tympani A pe
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ripheriam quintuplo tantùm velociorem eſſe
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pondere P; at peripheriam B vigequintuplo
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velociorem quàm A: vnicus enim tympani A
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denticulus promouetur ab integrâ ipſius B
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conuerſione; ideoque vt ſemel A gyrum ab
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ſoluat, vicies & quinquies tympanum B con
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uertatur oportet. </
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<
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>Eademque ratione tympani
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C motus cum tympani B motu comparatur,
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cuiuseſt vigequintuplus: quemadmodum & </
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