Valerio, Luca, De centro gravitatis solidorvm libri tres

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              <s>
                <pb xlink:href="043/01/023.jpg" pagenum="15"/>
              tes A deficiens, cuius baſis BC. </s>
              <s>Dico fieri poſse quod
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              proponitur: ducta enim per verticem figuræ A, baſi BC,
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              parallela, atque ideo figuram ipſam contingente, abſol­
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              uatur parallelogrammum BL, ſectaque diametro AD,
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              bifariam, & ſingulis eius partibus ſemper bifariam, du­
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              cantur per puncta ſectionum rectæ lineæ baſi BC, & in­
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              ter ſe parallelæ, atque ita multiplicatæ ſint ſectiones,
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              vt ſecti parallelogrammi in parallelogramma æqua­
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              lia, & eiuſdem altitudinis quælibet pars, vt paralle­
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              logrammum BF, ſit minus ſuperficie propoſita, cu­
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              ius parallelogram­
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              mi latus EF, ſe­
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              cet figuræ termi­
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              num BAC, in
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              punctis GH, &
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              diametrum AD, in
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              puncto K. erit igi­
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              tur GK, æqualis
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              KH: per omnia
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              igitur puncta ſe­
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              ctionum termini
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                <figure id="id.043.01.023.1.jpg" xlink:href="043/01/023/1.jpg" number="12"/>
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              BAC, quæ à prædictis fiunt lineis parallelis, ſi ducan­
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              tur diametro AD parallelæ, figura quædam ipſi ABC,
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              inſcribetur, & altera circumſcribetur ex parallelogram­
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              mis æqualium altitudinum. </s>
              <s>Dico harum figurarum
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              inſcriptam ſuperari à circumſcripta minori ſpacio ſuper­
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              ficie propoſita. </s>
              <s>Quoniam enim omnia parallelogramma,
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              quibus figura circumſcripta ſuperat inſcriptam ſimul ſum­
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              pta ſunt æqualia BF parallelogrammo: ſed parallelo­
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              grammum BF, eſt minus ſuperficie propoſita: exceſſus
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              igitur quo figura circumſcripta inſcriptam ſuperat, minor
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              erit ſuperficie propoſita. </s>
              <s>Fieri igitur poteſt, quod propo­
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              nebatur. </s>
            </p>
          </chap>
        </body>
      </text>
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