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.000577">
                <pb pagenum="70" xlink:href="027/01/077.jpg"/>
              matur lapidi, quo & motus incipiat, & reſiſientiæ
                <lb/>
              aëris infernè jacentis vincatur. </s>
              <s id="id.000578">Subnoto autem ean­
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              dem proportionem, qua percurruntur orgyiæ, &
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              percurrerentur ſtadia, ac milliaria, ſi tantùm ex alto
                <lb/>
              poſſet aliquid cadere, eádem percurri pedes, digitos,
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              grana, & ſpatia quælibet inſenſilia, ad ipſa vſque
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              minima: Quare poſſe quoque accipi momenta non
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              ſolùm cuiuſmodi ſunt interualla pulſationum arteriæ,
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              ſed etiam minora, minoraque, & minimis quibuſque
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              illis ſpatij partibus reſpondentia: Ac eadem ratione
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              poſſe accipi non modo majores, & compoſitos ve­
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              locitatis gradus; ſed minimos etiam, atque ſimpli­
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              ces, quorum nempe vnus ſufficere poſſit mobili ci­
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              endo per vnum ex illis ſpatiis minimis, & in mini­
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              mo vno momentorum. </s>
              <s id="id.000579">Igitur cùm primum mo­
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              mentum accipio, minimum intelligo, in quo vnus,
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              & ſimplex ictus per attractionem imprimatur, per­
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              agaturque minimum ſpatium, motu exſiſtente ſim­
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              plici, & cui deinceps accedere, ex repetitis icti­
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              bus, gradus celeritatis poſſint. </s>
              <s id="id.000580">Porrô quia aër
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              infernè preſſus circumſtantem premit, neque vſ­
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              quam patet ſuccedendi libertas, niſi quà ſupernè
                <lb/>
              ſpatium intereà deſeritur, ideò fit, vt aër ſecun­
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              dum latera reſiliens in ſuperiorem locum concurrat;
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              derelictumque locum inuadat. </s>
              <s id="id.000581">Et quoniam non po­
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              teſt hæc inuaſio fieri, quin aer accurrens vrgeat la­
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              pidem; idcircô fit, vt ſecundo momento duplex de
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              nouo imprimatur ictus, vnus à Terra, quæ pergit
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              attrahere, alius ab aere, qui incipit vrgere. </s>
              <s id="id.000582">Iſti
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              autem ſunt duo motus, ſiue celeritatis gradus, qui </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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