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

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              <s id="s.000501">
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              tatem eſſe ex altitudine dupla, quàm ex ſimplici; item­
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              que ex tripla, quàm ex dupla, &c. </s>
              <s id="s.000502">At eſſe illam du­
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              plo præcisè maiorem ex dupla, triplò ex tripla, &c.
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              </s>
              <s id="s.000503">nulla penitùs ratione perſpicio. </s>
              <s id="s.000504">Sic, dum graue
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              quoduis ex dupla, triplaue altitudine decidens rem
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              ſubiectam commouet, contundit, confringit: Sic, dum
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              cadens in cuneum ſcindendo ligno accommodatum,
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              ipſum compellit, adigit, figit: Sic, dum cadens in ip­
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              ſam manum, aliámue partem corporis, ipſam vrget,
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              deprimit, lædit: Sic, dum alia huiuſmodi diuerſimo­
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              dè peraguntur; maiorem quidem ſemper ictum, ſine
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              impetum, ac velocitatem ex altiore caſu fieri nullus
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              hæreo; at ex caſu duplò altiore duplò maiorem fieri,
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              triplò ex triplo, &c. </s>
              <s id="s.000505">qui diſcernam prorsùs non habeo.
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              </s>
              <s id="s.000506">Quocirca beaſſes me valdè, ſi experientiam, aut ſal­
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              tem modum experiundi ſubindicaſſes; cùm dicas &
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              rem experientiâ in graui quocumque facilè conſtare;
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              & Galileum, cæteroſque eruditos viros coniicis ſic
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              fuiſſe ſocordeis, vt nullum ipſius periculum fecerint;
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              feciſſe autem eos, qui vulgarem definitionem accele­
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              rati motus tradiderunt primi. </s>
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              <s id="s.000507">XXI. </s>
              <s id="s.000508">Addo videri poſſe me non abſque ratio­
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              ne hacce de re ambigere; & coniicere ictum, percuſ­
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              ſionemque, atque idcircò impetum, velocitatemque
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              maiorem duplò non haberi, niſi ex altitudine qua­
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              drupla; triplum, niſi ex nonupla; quadruplum, niſi
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              ex ſexdecupla, atque ita porrò iuxta numerorum qua­
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              dratorum ſeriem. </s>
              <s id="s.000509">Nam Primò, ſit vas cylindricum
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              erectum, & continens aquam ad certam altitudi­
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              nem, exempli cauſsâ vnius pedis: Certum eſt aquam </s>
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