Gassendi, Pierre, De motu impresso a motore translato epistulae duae, 1642

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="id.000472">
                <pb pagenum="54" xlink:href="027/01/061.jpg"/>
              nullum eſſe corpus adeò ſolidum, quod non ſit in­
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              numeris poris, meatuliſque peruium; quanquam per
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              illos corpuſcula cuiuſcumque generis traijci non poſ­
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              ſint. </s>
              <s id="id.000473">Scilicet corpuſcula olei corpora peruadunt,
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              quæ corpuſcula aquæ penetrare non poſſunt; &, ſi
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              accipias vas terreum optimè illitum, id quidem ne­
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              que aquæ, neque olei penetrabunt corpuſcula; ſed
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              penetrabunt tamen corpuſcula ſalis, atque adeò vias
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              ſibi patulas, quæ aliis ſuerant cæcæ, imperviæque,
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              reperient. </s>
              <s id="id.000474">Sic corpuſcula iſta non tranſeunt per vi­
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              trum, per quod tranſeunt tamen corpuſcula lucis,
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              & aliunde tamen corpuſcula lucis ea non pertran­
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              ſeunt, quæ corpuſcula aquæ, olei, ſalis. </s>
              <s id="id.000475">Quippe
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              niſi proportio ſit magnitudinis, & figuræ inter mea­
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              tulos, & corpuſcula, quæ non poſſunt non eſſe in­
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              ter ſe & inæqualis craſſitudinis, & diuerſimodè figu­
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              rata, fieri pertranſitio non poteſt. </s>
              <s id="id.000476">Itaque mirum non
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              eſt, ſi magnetis corpuſcula meatulos ſubeant, per­
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              uadantque, per quos alia non traijciuntur, cùm ea
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              præſertim ſubtilitate eſſe valeant, vt in paucos, aut
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              etiam nullos non ſatis patulos incurrant. </s>
            </p>
            <p type="main">
              <s id="id.000477">XIV. </s>
              <s id="id.000478">Verùm vbi conceſſum fuerit corpuſcula
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              quædam ex magnete procedere, quæ ferrum ad ip­
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              ſum pelliciant; intelligi-ne tamen poteſt, aut qua
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              formâ ſint, vt attractionis organa fiant; aut quomo­
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              do, quave ratione attractio per illa poſſit peragi?
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              </s>
              <s id="id.000479">Heic ſanè pręſertìm conjectandum eſt, cùm non mo­
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              do difficile, ſed impoſſibile etiam ſit agnoſcere ger­
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              manum modum, quo intima rerum natura admira­
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              bileis illas ſuas operationes exſequitur. </s>
              <s id="id.000480">An-non </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>