Archimedes
,
Archimedis De iis qvae vehvntvr in aqva libri dvo
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DE CENTRO GRAVIT. SOLID.
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quo ſcilicet ln, om conueniunt. </
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a p l q b r m s c t n u d x o y centrum grauitatis trian
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guli pay, & </
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uero lqxo, q b d x centrum eſtin linea z k: </
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<
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b r u d, r m n u in k φ: </
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<
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li s c t in φ c. </
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in linea a c conſiſtit. </
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m r centrum eſt in linea b χ: </
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<
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a y t c, y o n t in linea χ φ: </
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x d u centrum in ψ d. </
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<
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eſtin linea b d. </
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">ex quo ſequitur, centrum grauitatis figuræ
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a p l q b r m s c t n u d x o y eſſe punctū _K_, lineis ſcilicet a c,
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b d commune, quæ omnia demonſtrare oportebat.</
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nis circuli, & </
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quæ dimidia non ſit
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maior, centrum graui
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tatis in portionis dia-
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metro conſiſtit.</
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<
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modo demonſtrabitur,
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quo in libro de centro gra
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uitatis planorum ab Ar-
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chimede demonſtratũ eſt,
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in portione cõtenta recta
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linea, & </
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ctione grauitatis cẽtrum
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eſſe in diametro portio-
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nis. </
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