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

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.000505">
                <pb pagenum="103" xlink:href="010/01/111.jpg"/>
                <arrow.to.target n="marg123"/>
                <lb/>
              eſſe leuia; quaproptèr quotieſcumque agitur de cor­
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              poribus grauibus deſcendentibus comparari debent
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              grauitates tum corporis mobilis, tùm medij fluidi in
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              quo deſcendit; at è contrà cum agitur de corporibus
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              aſ­cendentibus, debent paritèr intèr ſe comparari le­
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              uitates eorum vnà cum leuitate medij fluidi in quo
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              aſcendunt. </s>
            </p>
            <p type="margin">
              <s id="s.000506">
                <margin.target id="marg123"/>
              Cap. 4. poſi­
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              tiuam leui­
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              tatem noņ
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              dari.</s>
            </p>
            <p type="main">
              <s id="s.000507">Modò vt fallacia huius ratiocinij detegatur,
                <expan abbr="demõ-">demon­
                  <lb/>
                </expan>
              ſtrabo priùs lemmata aliqua mechanica, ex quibus
                <lb/>
              poſtea adhibitis hypotheſibus ſupradictis demon­
                <lb/>
              ſtrabo impoſſibile omninò eſſe vt impetus velocita­
                <lb/>
              tis quo ſursùm aſcendunt corpora illa, quæ leuia ap­
                <lb/>
              pellantur, produci poſſit atque dependeat à princi­
                <lb/>
              pio aliquo intrinſeco à quo ſursùm impellantur re­
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              moueanturque à centro terræ. </s>
            </p>
            <p type="main">
              <s id="s.000508">Et primo loco obſeruo cum Ariſtotele in mecha­
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              nicis, quòd. </s>
            </p>
            <p type="main">
              <s id="s.000509">
                <emph type="center"/>
              PROP. LXV.
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.000510">
                <emph type="center"/>
                <emph type="italics"/>
              Libræ, vel rotæ termini oppoſiti contrarijs
                <lb/>
              motibus circa centrum agitari
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              debent.
                <emph.end type="italics"/>
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.000511">SIt libra radiorum æqualium, vel rota AIBH con­
                <lb/>
              uertibilis circa ſuum centrum C, hic
                <expan abbr="manifeſtũ">manifeſtum</expan>
                <lb/>
              eſt, quòd ſi libram, aut rotam re uoluere velimus, ita </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>