Archimedes
,
Archimedis De iis qvae vehvntvr in aqva libri dvo
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FED. COMMANDINI
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FED. COMMANDINI
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grauitatis eſſe punctum m. </
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dri, centrum grauitatis idẽ eſſe, quod & </
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prehendentis centrum. </
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oportebat.</
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0191-01
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mæ ſphæ
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ricorum
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Theod.</
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phærico
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rum.</
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qualibet portione conoidis rectangu
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li, abſciſſa plano ad axem recto, uel non recto; </
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ri poteſt, ut portio ſolida inſcribatur, uel circum-
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ſcribatur ex cylindris, uel cylindri portionibus,
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æqualem habentibus altitudinem, ita ut recta li-
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nea, quæ inter centrum grauitatis portionis, & </
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figuræ inſcriptæ, uel circumſcriptæ interiicitur,
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ſit minor qualibet recta linea propoſita.</
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uitatisq; </
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<
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ro proportionem habet linea b e ad lineam g, eandem ha-
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beat portio conoidis ad ſolidum h: </
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<
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">& </
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<
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tioni figura, ſicuti dictum eſt, ita ut portiones reliquæ ſint
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ſolido h minores: </
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ſit punctum
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. </
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ſita. </
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<
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niam figura circumſcripta ad reliquas portiones maiorem
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proportionem habet, quàm portio conoidis ad ſolidum h;
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<
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<
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habet proportionem, quàm ad _k_ e, propterea quod k e non
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ponitur minor ipſa g: </
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<
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tiones reliquas maiorem proportionem quàm b e ad e k: </
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& </
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<
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bit maiorem, quàm b
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ad K e. </
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<
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