Archimedes, Archimedis De iis qvae vehvntvr in aqva libri dvo

Table of contents

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[31.] LEMMAI.
[32.] LEMMA II.
[33.] LEMMA III.
[34.] LEMMA IIII.
[35.] PROPOSITIO VII.
[36.] PROPOSITIO VIII.
[37.] COMMENTARIVS.
[38.] PROPOSITIO IX.
[39.] COMMENTARIVS.
[40.] PROPOSITIO X.
[41.] COMMENTARIVS.
[42.] LEMMA I.
[43.] LEMMA II.
[44.] LEMMA III.
[45.] LEMMA IIII.
[46.] LEMMA V.
[47.] LEMMA VI.
[48.] II.
[49.] III.
[50.] IIII.
[51.] V.
[52.] DEMONSTRATIO SECVNDAE PARTIS.
[53.] COMMENTARIVS.
[54.] DEMONSTRATIO TERTIAE PARTIS.
[55.] COMMENTARIVS.
[56.] DEMONSTRATIO QVARTAE PARTIS.
[57.] DEMONSTRATIO QVINT AE PARTIS.
[58.] FINIS LIBRORVM ARCHIMEDIS DE IIS, QVAE IN AQVA VEHVNTVR.
[59.] FEDERICI COMMANDINI VRBINATIS LIBER DE CENTRO GRAVITATIS SOLIDORV M.
[60.] CVM PRIVILEGIO IN ANNOS X. BONONIAE, Ex Officina Alexandri Benacii. M D LXV.
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page |< < (21) of 213 > >|
15321DE CENTRO GRAVIT. SOLID. diuidendo figura ſolida inſcripta ad dictam exceſſus par-
tem, ut τ e ad e ρ.
& quoniam à cono, ſeu coni portione,
cuius grauitatis centrum eſt e, aufertur figura inſcripta,
cuius centrum ρ:
reſiduæ magnitudinis compoſitæ ex par
te exceſſus, quæ intra coni, uel coni portionis ſuperficiem
continetur, centrum grauitatis erit in linea ζ e protracta,
atque in puncto τ.
quod eſt abſurdum. cõſtat ergo centrũ
grauitatis coni, uel coni portionis, eſſe in axe b d:
quod de
monſcrandum propoſuimus.
THE OREMA XI. PROPOSITIO XV.
Cuiuslibet portionis ſphæræ uel ſphæroidis,
quæ dimidia maior non ſit:
itemq́; cuiuslibet por
tionis conoidis, uel abſciſſæ plano ad axem recto,
uel non recto, centrum grauitatis in axe con-
ſiſtit.
Demonſtratio ſimilis erit ei, quam ſupra in cono, uel co
ni portione attulimus, ne toties eadem fruſtra iterentur.
106[Figure 106]

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