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

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              <s id="id.000548">
                <pb pagenum="65" xlink:href="027/01/072.jpg"/>
              pidis perparùm quidem, ſed non-nihil tamen con­
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              tinuò refringant. </s>
              <s id="id.000549">Quod perſpicuè magis vt nôris,
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              appende eundem lapidem ad eiuſdem quidem lon­
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              gitudinis, ſed in æqualis tamen craſſitudinis, ac pro­
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              inde ponderis filum; & deprehendes, quò id craſ­
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              ſius erit, eo citiùs motum deſiturum, tanquam vi­
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              brationibus ſingulis ſenſibiliùs decurtatis; ita vt
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              vſurpata craſſiore chorda, aut etiam virga, catenáve
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              ferrea, per paucas omninò vibrationes habiturus ſis,
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              ac motum parùm duraturum. </s>
              <s id="id.000550">Heinc, quia quò erit
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              aër purior, & filum tenuïus, eò vibrationes plures
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              erunt, & motus prolixior, finge aërem ad vſque ina­
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              nis tenuïtatem eſſe redactum, atque idcircô nihil re­
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              ſiſtentem; finge & non filum, ſed radium incorpo­
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              reum, qui nullius ſit ponderis, neque partibus ſuis
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              renitatur; an-non capis fore vt lapis appenſus im­
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              preſſum ſemel motum conſtantiſſimè tueatur; ſcili­
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              cet omneis vibrationes non æqualibus modò tem­
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              poribus peragens, ſed æqualibus etiam arcubus con­
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              tinuò perficiens? </s>
              <s id="id.000551">Hæc porrô omnia aliò non tendunt,
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              quàm vt intelligamus motum per ſpatium inane im­
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              preſſum, vbi nihil neque attrahit, neque retinet, ne­
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              que omninô renititur, æquabilem fore, ac perpe­
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              tuum; atque exinde colligamus, omnem prorſùs mo­
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              tum, qui lapidi imprimitur, eſſe ex ſe huiuſmodi; adeò
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              vt in quamcúmque partem lapidem conjeceris, ſi
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              quo momento à manu emittitur, ſupponas omnia
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              vi diuina, lapide excepto, in nihilum redigi; euen­
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              turum ſit, vt lapis motum ſuum perpetuò, ac in
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              eandem partem, in quam manus ipſum direxerit, </s>
            </p>
          </chap>
        </body>
      </text>
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