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

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.000430">
                <pb pagenum="89" xlink:href="010/01/097.jpg"/>
                <arrow.to.target n="marg101"/>
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              ſa hæc motio naturalis cenſebitur, eò quòd pendet à
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              ſuo intrinſeco principio grauitatis; ſed noſtquam̨
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              pila terræ centrum attingit profectò
                <expan abbr="ibinõ">ibi non</expan>
              quieſcet;
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              nam impetus in præcedenti deſcenſu acquiſitus pi­
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              lam tranſportabit vltra centrum, excurretque versùs
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              Antipodas. </s>
              <s id="s.000431">modò in hoc excurſu cùm pila à centro
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              terræ recedat, procùl dubio ſurſum
                <expan abbr="aſcẽdet">aſcendet</expan>
              vocatur­
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              que prædictus aſcenſus violentus motus, & contrą
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              eius naturam, & tamen ab operatione naturali de­
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              ſcenſus dependet. </s>
            </p>
            <p type="margin">
              <s id="s.000432">
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              Cap. 4. poſi­
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              tiuam leui­
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              tatem noņ
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              dari.</s>
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            <p type="main">
              <s id="s.000433">Idipſum alijs exemplis, quæ facilè poſſunt expe­
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              riri, confirmari poteſt. </s>
            </p>
            <figure id="id.010.01.097.1.jpg" xlink:href="010/01/097/1.jpg" number="38"/>
            <p type="main">
              <s id="s.000434">Sit vas aqua plenum RSXV & ha­
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              beatur quoque cylindrus ligneus
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              EF, qui in aqua demerſus non de­
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              mergetur integrè infra ſupremam li­
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              bellam aquæ RS, ſed remanebit ali­
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              qua eius pars GE eminens ſuprą
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              aquæ libellam, propterea quòd li­
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              gnum minùs graue eſt ſpecie, quàm
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              ipſa aqua, (vt Archimedes ait.)
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              Si poſtea eumdem ligneum cylindrum extra aquam̨
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              ſubleuauero vſque ad ſitum AB, & hinc liberè eum
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              deſcendere permittam, is profectò non conſiſtet, ne­
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              què quieſcet in ſitu EF,
                <expan abbr="nã">nam</expan>
              impetus acquiſitus in de­
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              ſcenſu per aerem profundiùs infra aquæ libellam̨
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              motu violento cylindrum immittet vſque ad ſitum̨
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              CD & hinc denuò aſcendendo tranſgreſſo ſitu æqui­
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              librij EF reſiliet omninò extra aquam propè ſitum̨ </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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