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

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        <body>
          <chap>
            <p type="main">
              <s id="s.000201">
                <pb pagenum="44" xlink:href="010/01/052.jpg"/>
                <arrow.to.target n="marg45"/>
                <lb/>
              portio K grauitas abſoluta pilæ aqueæ C quæ æqua­
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              lis ſit ipſi AB, ſit que pila C contenta intra eiuſdem̨
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              aquæ RO profunditatem, vel in altera fiſtula inuerſi
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              ſiphonis, quæ cum reliqua continuetur, poſtea eadem
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              pila AB filo DA ab aliqua potentia I ſuſpenſa in me­
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              dio aquæ fixè retineatur. </s>
              <s id="s.000202">modò ſi poſſibile eſt pilą
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              aquea C nil prorsùs ponderet in ipſamet aqua, igitur
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              in ſiphone, vel in libra DE in eius puncto medio F
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              fulta pila aquea C ſuſpenſa à termino E, quæ
                <expan abbr="nullã">nullam</expan>
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              prorſus grauitatem exercere in aqua ſupponitur,
                <expan abbr="nũ-quam">nun­
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                quam</expan>
              imminuet pondus contrapoſitæ pilæ AB colli­
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              gatæ termino libræ D, propterea quòd nihilum ab
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              aliquo pondere ſubtractum ipſum nullo pacto immi­
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              nuit; nec pariter denſitas, & tenacitas aquæ gradum
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              ponderis pilæ AB diminuere poteſt, propterea quòd
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              illa reſiſtentia potis eſt retardare, & impedire mo­
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              tum, non autem vim, quam graue AB in quiete con­
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              ſtitutum exercet comprimendo; videmus enim, quòd
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              pila ferrea quieſcens ſiue fulciatur à molli cera, ſiue
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              à rigido adamante, ſemper eadem vi comprimit, ſci­
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              licet menſurata à gradu eius
                <expan abbr="põderis">ponderis</expan>
              . </s>
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            <p type="margin">
              <s id="s.000203">
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              Cap. 3. flui­
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              dum in ſuo
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              toto quie­
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              ſcens pon­
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              derat.</s>
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            <figure id="id.010.01.052.1.jpg" xlink:href="010/01/052/1.jpg" number="21"/>
            <p type="main">
              <s id="s.000204">His poſitis ſequitur, quòd pila fer­
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              rea AB pendula intra aquam exerce­
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              bit integram ſuam grauitatem IK,
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              ſcilicet eam, quam in aere exerce­
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              bat, ſed hoc eſt falſum, imminuitur
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              enim præcisè pro menſura ponderis
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              K ſcilicet molis aqueæ C, & ei relin­
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              quitur tantummodò pondus I, ſcili-</s>
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          </chap>
        </body>
      </text>
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