Monantheuil, Henri de
,
Aristotelis Mechanica
,
1599
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Etenim quæ ſic ſe habent,
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facillimè
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abbr
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mouẽtur
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, & mo
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uent pondus. </
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<
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id
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parua ſui parte tangunt &
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offenſant. </
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<
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id
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aliã
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expan
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cau
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ſam. </
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<
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id
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id.001695
">Hæc vero prius eſt di
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cta. </
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<
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">quod circulus ex dua
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bus lationibus effectus eſt.
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</
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<
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">Itaque vnam harum ſem
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per habet nutantem. </
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<
s
id
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id.001698
">Et
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abbr
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eũ
">eum</
expan
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,
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lb
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quaſi ſemper moueatur,
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mouent motores, quando
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quocunque illum ſecun
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dum
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abbr
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peripheriã
">peripheriam</
expan
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mouerint.
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</
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<
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id
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id.001699
">Motam enim ipſam mo
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uent. </
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<
s
id
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id.001700
">Eam ſiquidem, qua
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lb
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mouetur in
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expan
abbr
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obliquũ
">obliquum</
expan
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, mo
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tor impellit: illa verò, quæ ſuper diametro efficitur, ipſe
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met ſe circulus mouet. </
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">COMMENTARIVS. </
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">Præterea nonnulli.]
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Quarta cauſa eſt de perpetuo motu con
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firmata nonnullorum, ſed innominatorum authoritate: & ſimi
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lb
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litudine e contrarijs ſic. </
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>
<
s
id
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id.001703
">quemadmodum quæ perpetuò manent, ma
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nent propter contrarium motui renixum: ſic in quibus eſt ad mo
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tum perpetua propenſio, perpetuò moueri ea debent.
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<
s
id
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">Vt maioribus circulis.]
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Nutus ſeu perpetua propenſio con
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firmatur eſſe ſemper in circulo. </
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id
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">quia quicunque ſit ſemper in ſe habet
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concentricos minores infinitos, & maior tum celerius mouetur ab
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æquali vi, & cum eo etiam pondera: tum angulus maioris nutum
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lb
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habet ad angulum æqualem, qui eſt in minori circulo. </
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>
<
s
id
="
id.001706
">quia anguli
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maioris crura maiora ſunt, ſempérque eſt, vt diameter ad diame
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trum. </
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>
<
s
id
="
id.001707
">Sunt enim circulorum ſemidiametri. </
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>
<
s
id
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id.001708
">Partes autem cum pari
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ter multiplicibus ſunt in eadem ratione prop. 15. lib. 5. </
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<
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>Diameter au
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tem maior celerius mouetur, hîc autem notandum eſt angulos non
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