Archimedes
,
Archimedis De iis qvae vehvntvr in aqva libri dvo
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FED. COMMANDINI
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teſt in portione, quæ recta linea & </
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ctione, ſeu hyperbola continetur.</
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<
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<
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circulo & </
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tatis centrum.</
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</
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<
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<
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<
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uitatis quoque centrum eſſe. </
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">Si enim fieri poteſt, ſit b cen-
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trum grauitatis: </
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">& </
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<
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">iuncta a b extra figuram in c produca
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tur: </
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<
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">quam uero proportionem habetlinea c a ad a b, ha-
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beat circulus a ad alium circulum, in quo d; </
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">uel ellipſis ad
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aliam ellipſim: </
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<
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">in circulo, uel ellipſi ſigura rectilinea pla-
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ne deſcribatur adeo, ut tandem relinquantur portiones
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quædam minores circulo, uel ellipſid; </
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<
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h _k_ l m n. </
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elementorum libro, propoſitione ſecunda manifeſte con-
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ſtat; </
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uinius in commentariis in quin-
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tam propoſitionem Archimedis
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de conoidibus, & </
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</
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ipſius figuræ, quod proxime oſtē
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dimus. </
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a ad circulum d; </
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">uel ellipſis a ad
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ellipſim d eandem proportionē
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habet, quam linea c a ad a b: </
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portiones uero ſunt minores cir
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culo uel ellipſi d: </
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lus, uel ellipſis ad portiones ma-
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iorem proportionem, quàm c a
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apud Cã
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panum.</
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ad a b: </
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linea e f g h _k_ l m n ad </
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