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

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      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.001465">
                <pb pagenum="283" xlink:href="010/01/291.jpg"/>
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                <lb/>
              ior moles aquæ in tubo pneumatico eleuatur, & è
                <expan abbr="cõ-uerſo">con­
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                uerſo</expan>
              maior moles aquæ in tubo pneumatico BR ele­
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              uata maiorem vim ſuſtentantem, & eleuantem exi­
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              git. </s>
              <s id="s.001466">Intelligatur modò corpus FV eſſe aereum cylin­
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              drum embolo AB incumbens, eumque deprimens ſu­
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              pra aquæ libellam B (neglecta facilitatis gratia gra­
                <lb/>
              uitate ipſius emboli) pariterque ſit cor­
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                <figure id="id.010.01.291.1.jpg" xlink:href="010/01/291/1.jpg"/>
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              pus EX alter cylindrus aereus ſuperfi­
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              ciei aquæ C incumbens, igitur quotieſ­
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              cumque duo pondera aerea FV, & EX
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              æqualia ſunt, æquali vi ſubiectam
                <expan abbr="aquã">aquam</expan>
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              premunt, & in tali ſtatu aqua B nequę
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              eleuabitur, neque deprimetur, dum equè
                <lb/>
              comprimitur à
                <expan abbr="colũnis">columnis</expan>
              aereis FV, & EX
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              æquilibratis; at quando aduenit quæli­
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              bet exigua vis poterit ſuſtentare
                <expan abbr="aereũ">aereum</expan>
                <lb/>
              cylindrum FV æquilibratum, & ideò
                <expan abbr="">non</expan>
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              grauem, eumque ſursùm impellere, &
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              proindè prohibere eius preſſionem ſupra aquam B,
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              & tunc tanta præcisè erit compreſſio facta à cylindro
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              aereo EX ſupra ſubiectam aquam, quanta eſt vis, à
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              qua cylindrus aereus FV ſuſtinetur ſubleuaturque,
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              & tanta præcisè erit aquæ moles BS eleuata in tubo
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              pneumatico, igitur quantum præcisè augetur graui­
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              tas ipſius aquæ BS ſubleuatæ, tantum præcisè augeri
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              debet vis illa, qua cylindrus aereus FV ſursùm im­
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              pellitur, ſeù tantumdem augeri debet vis manus ſur­
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              sùm embolum trahentis, à quo paritèr aereus cylin­
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              drus FV ſuſtinetur impelliturque ſursùm. </s>
              <s id="s.001467">Et hinc pa-</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>