Archimedes, Archimedis De iis qvae vehvntvr in aqva libri dvo

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DE CENTRO GRAVIT. SOLID.
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              <pb o="21" file="0153" n="153" rhead="DE CENTRO GRAVIT. SOLID."/>
            diuidendo figura ſolida inſcripta ad dictam exceſſus par-
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            tem, ut τ e ad e ρ. </s>
            <s xml:space="preserve">& </s>
            <s xml:space="preserve">quoniam à cono, ſeu coni portione,
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            cuius grauitatis centrum eſt e, aufertur figura inſcripta,
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            cuius centrum ρ: </s>
            <s xml:space="preserve">reſiduæ magnitudinis compoſitæ ex par
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            te exceſſus, quæ intra coni, uel coni portionis ſuperficiem
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            continetur, centrum grauitatis erit in linea ζ e protracta,
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            atque in puncto τ. </s>
            <s xml:space="preserve">quod eſt abſurdum. </s>
            <s xml:space="preserve">cõſtat ergo centrũ
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            grauitatis coni, uel coni portionis, eſſe in axe b d: </s>
            <s xml:space="preserve">quod de
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            monſcrandum propoſuimus.</s>
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              <image file="0152-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/4E7V2WGH/figures/0152-01"/>
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          <head xml:space="preserve">THE OREMA XI. PROPOSITIO XV.</head>
          <p>
            <s xml:space="preserve">Cuiuslibet portionis ſphæræ uel ſphæroidis,
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            quæ dimidia maior non ſit: </s>
            <s xml:space="preserve">itemq́; </s>
            <s xml:space="preserve">cuiuslibet por
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            tionis conoidis, uel abſciſſæ plano ad axem recto,
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            uel non recto, centrum grauitatis in axe con-
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            ſiſtit.</s>
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          </p>
          <p>
            <s xml:space="preserve">Demonſtratio ſimilis erit ei, quam ſupra in cono, uel co
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            ni portione attulimus, ne toties eadem fruſtra iterentur.</s>
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            <image file="0153-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/4E7V2WGH/figures/0153-01"/>
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