Casati, Paolo, Terra machinis mota : dissertationes geometricae, mechanicae physicae hydrostaticae

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1ſteremus (annulum videlicet auerſæ rotæ A
infixum arctè cum ſuperiore cylindro, nę
pondus relaberetur, connectentes) explica­
tum que funiculum, qui in conuerſione fuiſ­
ſet cylindrum ſuperiorem circumplexus, ite­
rum rotæ apſidi circumduceremus.
Occurritur.
Verùm cum vrbem obambulans oculos
fortè in officinam quandam conijcerem, vbi
obtuſarum nouacularum acies reſtituuntur,
En, inquam, funiculus in ſeſe rediens maio­
ri ac minori rotulæ ità circumplicatus, vt al­
tera ex alterius conuerſione rotetur, nullos
motui terminos præſcribit: quidni igitur con­
ſimili ratione funiculus vnâ aut alterâ ſpirâ
cylindrum ſuperiorem complectens ſubie­
ctum peritrochium ita apprehendere valeat,
vt pariter moueantur, nec conuerſionis fi­
nem inueniant, cum tantundem ſuccedere
poſſit funiculi, quantum deceſſerit?
Id au­
tem ſi fieri poſſe concedas, in ſuperioribus
ſaltem FEDC (nam in inferioribus fortaſsè
ob ponderis nimiam grauitatem ſatius eſſet
funis extremum religare, ne excurreret)
difficultas omnis propoſita euaneſcit.
Vti­
nam & in trochleis ſimile funis compen­
dium liceret inuenire.
Guld. An & trochleis tellurem ab Archi­
mede fuiſſe loco dimouendam exiſtimas?

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