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.000338">
                <pb pagenum="29" xlink:href="027/01/036.jpg"/>
              ratur ſemper æqualibus temporibus. </s>
              <s id="id.000339">Senſus eſt, cùm
                <lb/>
              ſpatium GH, quod ſuppoſui à naui peruadi momen­
                <lb/>
              tis decem, poſſit fieri contractius, ita vt iiſdem decem
                <lb/>
              momentis, ſeu æquali tempore non percurratur, niſi
                <lb/>
              ſpatium Si, vel V g, vel Y e vel a c:ſicque lineæ parabo
                <lb/>
              licæ ex S, in B, ad vſque ; vel ex V, in B, ad vſque g, & c.
                <lb/>
              fiant ſemper contractiores, quàm ſit GBH: Et cùm
                <lb/>
              è contra idem ſpatium poſſit ſieri amplius; ita vt iiſdem
                <lb/>
              decem momentis, ſeu æquali tempore percurratur ſpa­
                <lb/>
              tium duplò, triplò, quadruplò, &
                <expan abbr="quantumcúmq;">quantumcúmque</expan>
              vo­
                <lb/>
              les, pro nauis celeritate, expanſius; ſicque lineæ parabo­
                <lb/>
              licæ fiant ſemper, ſemperque apertiores, quàm ſit ea­
                <lb/>
              dem parabolica GBH: Nihilominùs neque lapidem
                <lb/>
              per contractiores motum, peruaſurum illas tempore
                <lb/>
              breuiore; neque motum per appertiores, peruaſurum
                <lb/>
              ipſas tempore longiore, quàm ſit tempus, quo per­
                <lb/>
              uadit memoratam GBH. Quippe, ſeu nauis celeriter,
                <lb/>
              ſeu tardè moueatur, tantundem ſemper temporis in­
                <lb/>
              ſumit lapis, vt ex pede mali A, perueniat ad verticem
                <lb/>
              B; & rursùs tantundem, vt ex vertice B, perueniat ad
                <lb/>
              pedem A. </s>
              <s id="id.000340">Quare & cùm intereà deſcribantur per aërem
                <lb/>
              lineæ parabolicæ inæquales, neceſſe eſt ſemper deſcri­
                <lb/>
              bant æqualibus temporibus: omnibus putà exæqua­
                <lb/>
              tis vni, eidemque tempori, quod inſumitur ex A in
                <lb/>
              B, & ex B in A, communi menſura. </s>
            </p>
            <p type="main">
              <s id="id.000341">Elicio
                <emph type="italics"/>
              vndecimò,
                <emph.end type="italics"/>
              Si lapis dimittatur ex B, & loco
                <lb/>
              deſcenſus per lineam ſemiparabolicam BH, deſcribat
                <lb/>
              etiam quantùm voles vel contractiorem, vel apertio­
                <lb/>
              rem: peruaſurum tamen omneis eiuſcemodi ſemipara­
                <lb/>
              bolicas lineas æqualibus temporibus: Quippe ea om-</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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