Page:Philosophical Transactions - Volume 003.djvu/72

 Si Tellus moveretur solo diurno motu, aliquod Grave dimissum ex Turris vertice C in Plano Æquatoris existentis, describeret suo motu naturali portionem linea CTI, quæ esset ad omnem sensum circularis.

V. Fig. I.

This Angeli denies, shewing by Computation, that Riccioli his Observation proveth no such thing. For (faith Angeli) according to Riccoli, in one second of an hour the weight descends 15 foot; in 2 seconds, 60 foot; in 3 seconds 135 foot; and so continually the spaces from the beginning are in duplicate proportion of the Time from the beginning; and, according to the

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