Gassendi, Pierre
,
De proportione qua gravia decidentia accelerantur
,
1646
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fine decimæ ſint decem. </
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<
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">At Galileus vult potiùs ſe ve
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locitates habere ſicut tempora; ſiue gradus velocitatis
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æqualeis primo tot acquiri, quot temporis partes pri
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mæ æquales poſt ipſam fluunt. </
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<
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teis continuò acquiri per parteis temporis æqualeis, ea
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ſerie continua, qua numeri impares ab vnitate pro
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grediuntur; adeò vt ſi primo momento, ſeu prima
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æquali parte temporis mobile deciderit per vnam or
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gyiam, decidat ſecundo per treis, tertio per quinque,
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quarto per ſeptem, ac ita deinceps. </
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<
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numeros ſic progredienteis aggregando, quadrati con
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tinuò numeri creantur; heinc fieri, vt ſi primo ſpatio
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illa continuò aggregentur, quæ æqualia æqualibus
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percurruntur temporibus, ſpatia tunc ſe habeant ſicut
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quadrata temporum; hoc eſt, vt quemadmodum pri
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mo tempore eſt ſuperatum vnum ſpatium, ſecundo
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tempore ſint ſuperata quatuor, tertiò nouem, quaito
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ſexdecim, & ſic conſequenter. </
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<
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">Hæc autem melius in
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telligi, declararique non valeant, quàm productis ex
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eodem puncto duabus rectis lineis angulum in ipſo
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creantibus, ac in parteis quotcumque æqualeis diuiſis,
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interductiſque rectis lineis tum inter reſpondentia
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ſingula heincinde diuiſionis puncta, tum à quouis hu
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iuſmodi in vtraque linea puncto ſecundùm ductum
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alteri lineæ parallelum. </
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<
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">Tale eſt ſchema, quod exhi
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bui ad calcem prioris mearum illarum Epiſtolarum,
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quodque ſi heic iam repetiero, ac paulò accuratiùs, ob
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factan. </
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<
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">illam, de qua poſteà, æquiuocationem, expo
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ſuero, erit fortaſſis operæ pretium. </
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<
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