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

Table of figures

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              <s id="id.000800">
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              nire vnquam potis ſit) quippe ſurſùm non tam vi
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              propria, quàm ab aëre impulſus contendit. </s>
              <s id="id.000801">Niſi
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              fortaſſis vbi oleum in fundo maris fuerit, dicas illud
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              ſurſùm conniti, vt quærat ſphæram oleagineam,
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              quæ ſit ſupra aquam; potiùſquàm ab aqua ſur­
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              ſùm adigi, ſeu à vicinia Terræ expelli, à qua ſanè non
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              emergeret, niſi aqua ſubterueniret? </s>
              <s id="id.000802">Aut niſi in le­
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              betem aqua ſemiplenum, & in vertice montis edi­
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              tiſſimi conſtitutum lapillos inijciens, dicas aquam
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              aſcendere, vt ſurſùm inueniat ſphæram aqueam,
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              potiùſquàm à lapide abigi, propellique à lebetis
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              fundo? </s>
              <s id="id.000803">Aut niſi, cùm ignis inuolat in pabulum
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              ſuppoſitum, dicas illum in ſuam deſcendere ſphæ­
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              ram, ſimiliterque aerem in ſuam, quoties puteus
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              effoditur, tubuluſve vacuus in Terram defigitur per
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              tranſuerſam aquam? </s>
              <s id="id.000804">Aut niſi potiùs ipſe aër non
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              tam naturaliter ſupra Terram, quàm ſupra aquam
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              requieſcit; putaſque ſphæram aëris ita eſſe neceſſa­
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              riò ſupra aquam, vt in tot iſtis regionibus, in qui­
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              bus ſupra aquam non eſt, cum violentia detinea­
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              tur? </s>
              <s id="id.000805">Sed ſi probari tibi requiras, quomodò ignis
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              pellatur ſurſùm ab aëre; conſidera vt ignis in cami­
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              no non ardeat, ſi tam ianuas, quam feneſtras omneis
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              ita perfectè occluſeris, vt ne per minimam quidem
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              rimulam ſubingredi aër in cameram poſſit. </s>
              <s id="id.000806">Nempe
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              niſi aër ſit, qui ſuccedat in locum illius, qui ignem
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              ſurſùm abigit, nulla fiet (vnde & ignis extinguetur)
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              abactio; fiet autem vbi libertate ingrediendi aëri ex­
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              terno facta, aër interior habebit ponè alium, qui ſi­
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              bi ignem inſequenti ſuccedat, & cameram compleat; </s>
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