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.000291">
                <pb pagenum="20" xlink:href="027/01/027.jpg"/>
              cum qua oculus noſter transferatur. </s>
              <s id="id.000292">Sed hæc obiter
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              memorata ſunto. </s>
            </p>
            <p type="main">
              <s id="id.000293">VI. </s>
              <s id="id.000294">Redeo ad experimenta, ac illa potiſſimùm,
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              quæ peracta ſunt circa malum: quippe ea eiuſmodi
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              ſunt, ex quibus, quantùm fieri poteſt, inueſtigare
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              liceat, niſi germanam, at qualemcúmque motus non
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              ſolùm proiectorij, ſed etiam naturalis cauſam. </s>
              <s id="id.000295">Nem­
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              pe viſum ſemper mirabile eſt, cur lapis ſpontis ſuæ
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              factus, tum per aërem decidat, naturali impetu; tum
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              in principio tardius, in fine velociùs prorumpat:
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              idemque violenter adactus, tum impreſſo impetu ſur­
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              sùm efferatur, tum in principio velociùs, & in fine
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              tardius emergat. </s>
              <s id="id.000296">Cæterùm, duo quædam præmit­
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              tenda ſunt, quæ inter alia benè multa magno Galileo
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              debentur. </s>
              <s id="id.000297">Vnum; corpus ſuapte decidens motu ea
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              ratione accelerari, vt temporibus æqualibus maiora
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              ſemper ſpatia peruadat, iuxta proportionem, quàm
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              habent numeri impares inter ſe, initio ſumpto ab vni­
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              tate. </s>
              <s id="id.000298">Hoc eſt; ſi lapis ex. </s>
              <s id="id.000299">gr. è præcelſa turri dimiſſus
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              intra vnum arteriæ pulſum vnam orgyiam decidat,
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              fore vt intra ſecundum decidat treis, intra tertium
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              quinque, intra quartum ſeptem, intra quintum no­
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              uem. </s>
              <s id="id.000300">Et quia aggregando, vt in fine primi pulſus
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              peracta eſt vna orgyia, ita in fine ſecundi peractæ
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              ſunt quatuor, in fine tertij nouem, in fine quarti ſex­
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              decim, in fine quinti viginti-quinque, qui numeri
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              quadrati ſunt, vt Arithmetici appellant; heic fieri, vt
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              ſpatia quibuſcúm que temporibus peracta, ſint inter ſe
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              in duplicata ratione ſuorum
                <expan abbr="temporũ">temporum</expan>
              (nempe vt eorun­
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              dem temporum quadrata) veluti Geometræ loquun-</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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