Gassendi, Pierre - De proportione qua gravia decidentia accelerantur

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1ex ſuperioribus deductum, Gradus velocitatis eiuſdem
mobilis ſuper diuerſas planorum inclinationes acquiſitos tunc
eſſe æqualeis, cùm eorumdem planorum eleuationes ęquales
ſunt.

XV. Verùm, ne ad alia excurram, quàm quæ
ipſemet ex Galileo commemoras, improbas ecce ex
perimentum, quo ille eſt conatus fidem Poſtulato
aſſerere, quodque adſcripta figura ſic refers E clauo A

14[Figure 14]
parieti infixo, globus plumbeus, aut alius quilibet tenui filo,
tribus, aut quatuor digitis à pariete remoto ſuſpendatur, ſit
que AB, Deſcriptaque in pariete recta CD horizonti
parallela, globus B à perpendiculari eductus vſque ad alti
tudinem rectæ CD manu altollatur, nempe ad C; indeque
liberè dimittatur. Tum globus idem in uit Galileus, non
ſolùm deſcendet ad punctum B, ſed eodem impetu vlteriùs
vſque ad D, aut proximè ad illud, aſcendet. Similiter, ſi
globus idem è puncto E ſuspendatur, & item ad altitudinem

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