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

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            <p type="main">
              <s id="s.002455">
                <pb pagenum="465" xlink:href="010/01/473.jpg"/>
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            <p type="margin">
              <s id="s.002456">
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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>
            </p>
            <p type="main">
              <s id="s.002457">
                <emph type="center"/>
                <emph type="italics"/>
              terminus circularis fluidum à ſolido ſeparans, quæ moti­
                <lb/>
              bus contrarijs agitantur.
                <emph.end type="italics"/>
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.002458">ET procedendo ad libræ, ſen ſiphonis in corpori­
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              bus natantibus ſtructuram, intelligatur vas am­
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              plum aqua plenum RSTX, in eoque demergatur
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              corpus ſolidum, & conſiſtens (cylindricum facilita­
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              tis gratia) ABCD, quod minùs graue ſit in ſpecie
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              ipſa aqua. </s>
              <s id="s.002459">& quia prædictum ſolidum non poteſt ſur­
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              sùm eleuari, niſi priùs incumbens aqua AKLD è ſuo
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              loco expellatur, & infernè recurrat ad replendum lo­
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              cum BC à prædicto ſolido derelictum, igitur vndi­
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              que per omnia eius latera AB, & DC aqua ambiens
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              deorsùm fluere debet, & propterea efficitur non v­
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              nicus ſipho, ſed innumeri, vel potiùs efficitur ſipho
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                <expan abbr="rotũdus">rotundus</expan>
              cuius pars externa aquea AFCH tubum ex­
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              cauatum conſtituit, pars verò interna ſolida ABCD
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              eſt reliqua ſiphonis pars, quæ ſursùm aſcendit dum
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              aqua per tubicum ſiphonem deorsùm fluit. </s>
              <s id="s.002460">Et licèt
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              pateat ſenſu, in vaſis amplis, non totam aquam colla­
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              teralem deſcendere dum lignum eleuatur, ſed
                <expan abbr="tantũ-modò">tantun­
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                modò</expan>
              partem aliquam eius exiguam
                <expan abbr="adhærẽtem">adhærentem</expan>
              am­
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              bientemque cylindrum AC, quod apertè dignoſci­
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              tur in aqua turbida, itaut reliqua aqua quieſcens offi­
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              cium vaſis ſuppleat, non tamen euidens eſt tubum̨
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              aqueum AFCH ſiphonem conſtituentem præcisè æ­
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              qualem eſſe ligneo cylindro AC; ideò hoc rationę
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              ſuadere conabimur. </s>
              <s id="s.002461">Quia tantumdem ſolidum AC
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              ſursùm aſcendit, quanta eſt moles aquæ, quæ è ſupre­
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              mo loco expellitur, & quanta eſt illa, quæ infernè de-</s>
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        </body>
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