Gassendi, Pierre, De proportione qua gravia decidentia accelerantur, 1646

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              ex G in Q, non nonupla eiuſdem, ſed tripla: & ac­
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              quiſita ex I in B, non ſexdecupla, ſed quadrupla eſt:
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              quatenus quidem experiundo obſeruare licuit, con­
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              ſtitutam pilam ſupra planum libellatum, appoſitum­
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              que ad M, ad O, ad Q, ad B, dum percuteretur, pro­
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              pellereturque à globis incurrentibus, aſſequi velocita­
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              tem, excurrereque, non iuxta numeros quadratos,
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              quales ſunt ſpatiorum CM, EO, GQ, IB; ſed iuxta
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              radices ipſorum, qualia ſunt & tempora, vnum, duo,
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              tria, quatuor. </s>
              <s id="s.000541">Quamobrem & fuit iteratò procliue
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              intelligere percuſſionem quoque à re ſecundum per­
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              pendiculum cadente factam, ſequi rationem non
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              quadratorum, ſeu ſpatiorum, ſed radicum, ſeu tem­
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              porum; atque ita, quò cadens graue vehementiùs
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              feriat duplò, triplò, quadruplò, cadere debere ex al­
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              titudine non duplò, triplò quadruplò; verùm, quadru­
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              plò, nonuplò, atque ſexdecuplò maiore. </s>
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              De Experimento in Bilance facto ac aliud reuera probante,
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              quàm velocitates eſſe ſicut spatia.
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              <s id="s.000543">XXIII. Verumtamen, hiſce dimiſſis, acceden­
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              dum eſt ad ſecundam, peculiaremve experientiam,
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              cui totam ſcientiam ſuper-exſtruis, & de qua in hunc
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              modum præfaris.
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              Atque, vt quam tibi promiſi expe­
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              rientiam, cum fœnore etiam exhibeam, adiungam & aliam,
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              à nullo mortalium hactenus obſeruatam, quæ & priorem
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              perfectißimè includat, & non rationem ſolùm, quâ celeritas
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              in naturali deſcenſu grauium augetur, ſed eiuſdem quoque
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              celeritatis pene incredibilem modum, ac menſuram, exactiſ-
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