Borelli, Giovanni Alfonso, De motionibus naturalibus a gravitate pendentibus, 1670

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              Cap. 11. gra­
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              uia in fluido
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              velocitati­
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              bus inæqua­
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              libus ferri
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              debere.</s>
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            <p type="main">
              <s id="s.002550">SInt duo cylindri homogenei, primò aqua leuiores
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              ABC, & DEF, quorum altitudines AB, DE æqua­
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              les ſint, baſis verò BC maior ſit, quàm EF, &
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              in­
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                <figure id="id.010.01.491.1.jpg" xlink:href="010/01/491/1.jpg" number="170"/>
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              fra aquam demerſi in vaſis amplis aſ­
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              cendendo percurrant ſpatia æqualia
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              X & Z, AC
                <expan abbr="quidẽ">quidem</expan>
              tempore T, & DF
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              tempore V: dico quòd tempus T pa­
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              rùm maius erit quàm V. quia dum in
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              aqua eleuantur ſolida AC & DF con­
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              ſtituunt cum ambiente
                <expan abbr="cõtigua">contigua</expan>
              aqua
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              duos
                <expan abbr="ſipũones">ſiphones</expan>
              excauatos, æquè altos, </s>
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            <p type="main">
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              quorum fiſtulæ inæquales ſunt, nam̨
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              craſſities fluentis aquæ circa cylindrum AC æqualis
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              eſt baſi cylindri BC, pariterque craſſities fluentis a­
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              quæ circa cylindrum DF æqualis eſt craſſitiei EF:
                <expan abbr="erũt">erunt</expan>
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              igitur duo ſiphones ex directis, æquè altis, & conti­
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              guis fiſtulis compoſiti, & in vnoquoque eorum duæ
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              collaterales fiſtulæ æquales ſunt, atque duæ internæ
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              ſiphonum fiſtulæ
                <expan abbr="occupãtur">occupantur</expan>
              à cylindris AC, & DF ho­
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              mogeneis, & aqua leuioribus, & æquè altis, ergo pa­
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              rùm tardiùs aſcendet craſſior cylinder AC, quàm DF,
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              ſupponuntur autem aſcendiſſe ſpatia æqualia X & Z
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              temporibus T, & V; igitur tempus T maius erit tem­
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              pore V. ſi verò aſcenſus fiant æqualibus temporibus,
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              ſpatium aſcenſus latioris cylindri minus erit ſpatio
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              tranſacto à cylindro ſtrictiori: Quia cùm parum tar­
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              diùs aſcendat cylinder AC quàm DF, ergo æqualibus
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              temporibus T & V percurret AC minus ſpatium X
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              dum DF maius ſpatium Z pertranſit. </s>
              <s id="s.002552">ſecundò ſint
                <expan abbr="ijdẽ">ijdem</expan>
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