Gassendi, Pierre
,
De proportione qua gravia decidentia accelerantur
,
1646
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ſecundis, quatenus vſurpas pedes; aut minuto vno, ſe
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cudis quinquaginta quatuor, quatenus videris debuiſ
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ſe vſurpare cubitos. </
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quor pernicitatem vllam tantam, qua decidens graue
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tempore tam breui percurrat tam immane ſpatium,
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quale continere admittis ducenta milliarium, prope
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modum millia. </
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<
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">Certè, cùm attendo globum tormen
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tarium è machina quapiam maiore exploſum vertica
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liter, vno circiter pòſt minuto repetitam terram attin
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gere, & vix tamen, ex ſupputatis obſeruationibus variis,
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pertigiſſe ad vnum milliare altitudinis, ex qua vſque
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recidens dimidium eius temporis, ſeu ſemi-minutum
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inſumpſerit: (ſæpe enim ſæpiùs obſeruauimus eſſe re
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rum grauium ſurſum proiectarum deſcenſum æqui
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temporaneum aſcenſui) cùm ad iſtud, inquam, at
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tendo, conſideróque ſimul globum per hoc milliare
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decidere eadem illa velocitate, qua inciperet cadere à
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Luna; aſſequor quidem euenturum, vt ex Luna deci
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dens, & iuxta progreſſionem Arithmeticam numero
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rum ab vnitate imparium incedens, decideret altero
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ſemi-minuto milliaribus tribus, tertio quinque, &
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quarto ſeptem; adeò vt, ſub finem ſecundi minuti de
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prehenderetur decidiſſe milliaribus ſexdecim, ſeu
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iuxta Galileum, nouemdecim, cum vna quinta millia
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ris parte: At quid-nam hoc eſt ad milliarium ducenta
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millia comparatum? </
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<
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Geometricamve rationem duplam, poſſet res prope
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verum haberi, quod ad milliaria illa prima, ac minuta
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duo prima attinet, ſi diceremus eundem globum de
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curſurum primo ſemi-minuto milliare vnum, ſecundo </
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