Gassendi, Pierre, De proportione qua gravia decidentia accelerantur, 1646
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              quantum eſt neceſſe ad prolixitatem ſemiparaboles,
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              quàm perpendiculi, maiorem. </s>
              <s id="s.001763">Heinc mirabilis quidem
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              eſt ea, quam obiicis,
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              ſemiparabolarum plurium decuplò
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              etiam, aut centuplò contractiorum, apertiorumque æqui tem­
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              poranea deſcriptio:
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              ſed videtur tamen apertè deduci ex
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              minore, & maiore vi, quæ alteri, vt per axem, perpendi­
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              culumve duntaxat acturæ, ſuperadditur. </s>
              <s id="s.001764">Et
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              poſtularet
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              quidem ratio,
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              quemadmodum ais,
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              vt idem mobile non
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              tranſmitteretur ad eandem altitudinem, aut diſtantiam in pro­
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              iectoris quiete, aut motu, eodem tempore. </s>
              <s id="s.001765">ſi foret ab eadem vis
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              ſed conſtat vim non eſſe eandem, quatenus proiectoro
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              moto eſt tantumdem adauctior, quanta eſt ipſa vis
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              tranferentis. </s>
              <s id="s.001766">Ad illud quod habes de
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              Reſistentia medij:
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              ſi illud quidem vniforme ſit, nihil videtur prorsùs ob­
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              ſtare, quatenus tantum proiicienti, transferentique,
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              quantum proiectili reſiſtit, pergitve potiùs reſiſtere:
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              quod idem dicendum de vento, ſi ſecundùm eundem
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              nauis curſum, & æquabilisfuerit: ſin verò aut medium
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              inæquabile ſit, aut ventus obliquus, vel variabilis, at­
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              que ade ò ſit inæquabilis reſiſtentia; tunc videtur pro­
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              fectò poſſe non-nihil deſciſcere à parabolico ſuo curſu,
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              & à termino, in quem contendebat: ſed nempe hic ipſe
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              eſt caſus, de ſuperueniente vi, ob quam dixi poſſe Effa­
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              tum admitti. </s>
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              <s id="s.001767">IV. </s>
              <s id="s.001768">Quòd
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              experimenta deſideras alia,
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              facillimum im­
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              primis eſt, quod vel tuo iuſſu peragi ab Equite poteſt.
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              <s id="s.001769">Si is enim pluribus lapillis ad manum aſſumptis, &
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              manu ita protenſa, vt ſit in perpendiculo, quod pedem
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              proximè præter-radat, lapillum vnum primò dïmittat
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              quieſcente equo; tum alium equo pedetentim, & paſſu </s>
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