Valerio, Luca, De centro gravitatis solidorvm libri tres

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                <pb xlink:href="043/01/161.jpg" pagenum="74"/>
              ab eo non æqualiter diſtantibus: & axis portionis ſit EF,
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              qui per centrum G tranſibit, vtpote parallelorum circu­
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              lorum centra iungens: cumque eorum vtrumque ſit à cen­
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              tro non æqualiter diſtantium perpendicularis, erunt eius
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              ſegmenta EG, GF, inæqualia. </s>
              <s>Eſto EG, maius: ſectoque
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              axe EF bifariam in puncto P, ſumptisque ipſarum EG,
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              GF, quartis partibus EH, FK, ſecetur interiecta
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              K
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              H,
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              in puncto Q, ita vt KQ, ad QH, ſit vt cubus ex EG,
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              ad cubum ex GF, & portionis ABCD, ſit centrum gra
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              uitatis R: quod quidem cum punctis P, Q, eſſe in axe
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                <figure id="id.043.01.161.1.jpg" xlink:href="043/01/161/1.jpg" number="122"/>
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              EF: & cylindro LM, ſuper baſim æqualem circulo ma­
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              ximo circa axim EF, portioni circumſcripto, reliqui eius
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              dempta ABCD, portione centrum grauitatis eſse Q, &
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              propinquius E puncto, quàm centrum grauitatis R por­
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              tionis ABCD, manifeſtum eſt ex ſupra demonſtratis de
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              maioris portionis ſphæræ centro grauitatis: portionis autem
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              ABCD centrum grauitatis R eſse in ſegmento EG ſe­
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              quitur ex antecedente. </s>
              <s>Dico PQ ad QR eſse vt ad axim
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              EF exceſsus, quo axis EF ſuperat tertiam partem com­
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              poſitæ
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              duabus minoribus extremis altera reſpondente
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              maiori extrema EG in proportione continua ipſius NG </s>
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