Descartes, René, Renati Des-Cartes principia philosophiae

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb pagenum="172"/>
              &snova redeat in locum exeuntis, non poteſt nova iſta
                <lb/>
              materia accedens vim retinere quae priori jam egreſſae
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              ſuit impreſſa, & praeterea vix ulla ei fuit impreſſa, ſed
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              tantùm motus, qui aliunde in eâ erat, determinatus
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              eſt verſus certam partem; atque haec determinatio
                <arrow.to.target n="marg1084"/>
                <lb/>
              variis cauſis aſſidu poteſt mutari a. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg1078"/>
              CXXI.
                <lb/>
              Quid per corporum ſo­
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              liditatem, & quid per
                <lb/>
              eorum agitationem
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              intelligamus. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg1079"/>
              15</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg1080"/>
              20</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg1081"/>
              25</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg1082"/>
              30</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg1083"/>
              5</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg1084"/>
              5</s>
            </p>
            <figure id="fig45" number="46"/>
            <p type="main">
              <s>
                <arrow.to.target n="marg1085"/>
                <lb/>
              Sic videmus hic ſupra terram aurum, plumbum &
                <lb/>
              alia metalla, cùm ſemel mota ſunt, majorem agitatio­
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              nem ſive majorem vim ad perſeverandum in ſuo motu
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              retinere, quàm ligna & lapides
                <arrow.to.target n="marg1086"/>
              magnitudi­
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              nis & figurae; ac etiam idcirco magis ſolida eſſe pu­
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              tantur, ſive plus habere in ſe materiae tertii elementi,
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              ac pauciores poros qui materiâ primi & ſecundi replen­
                <lb/>
              tur. </s>
              <s>Sed auri globulus eſſe poteſt tam minutus, ut
                <lb/>
              non tantam vim habiturus ſit, ad motum
                <arrow.to.target n="marg1087"/>
              impreſ­
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              ſum retinendum, quàm globus lapideus vel ligneus
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              multò major. </s>
              <s>Poteſtque etiam maſſa auri tales figuras
                <lb/>
              induere, ut globus ligneus ipſâ minor majoris agi­
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              tationis ſit capax: nempe ſi extendatur in fila aut
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              bracteas, aut ſpongiae inſtar multis
                <arrow.to.target n="marg1088"/>
              foramini­
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              bus excavetur, aut quocunque alio modo plus ſuper­
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              ſiciei acquirat, pro ratione ſuae materiae & molis,
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              quàm ille ligneus globus. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg1085"/>
              CXXII.
                <lb/>
              Soliditatem non à ſolâ
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              materiâ ſed etiam à
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              magnitudine ac figu­
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              râ pendere. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg1086"/>
              10</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg1087"/>
              15</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg1088"/>
              20</s>
            </p>
            <p type="main">
              <s>
                <arrow.to.target n="marg1089"/>
                <lb/>
              Atque ita fieri poteſt ut ſidus N, quamvis mole per­
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              magnum, & ſatis multis macularum
                <arrow.to.target n="marg1090"/>
              invo­
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              lutum, minùs tamen habeat ſoliditatis, ſive minùs
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              aptitudinis ad motus ſuos retinendos, quàm globuli
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              materiae ſecundi elementi ipſum circumjacentes. </s>
              <s>Hi
                <lb/>
              enim globuli, pro ratione ſuae magnitudinis, ſunt om­
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              nium ſolidiſſimi qui eſſe poſſint, quia nullos in
                <arrow.to.target n="marg1091"/>
              </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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