Valerio, Luca, De centro gravitatis solidorvm libri tres

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            <pb xlink:href="043/01/116.jpg" pagenum="29"/>
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              <s>Sit conoides parabolicum ABC, & cylindrus AE, &
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              conus ABC, quorum omnium ſit eadem baſis circulus,
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              cuins diameter AC, axis autem BD, ac proinde vna om­
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              nium altitudo. </s>
              <s>Dico conoidis ABC eſse cylindri AE
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              dimidium, coni autem ABC ſeſquialterum. </s>
              <s>Secto enim
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              axe BD in tot partes æquales, quarum infima ad baſim ſit
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              MD, vt figura ex cylindris æqualium altitudinum conoi­
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              di ABC circumſcripta, inſcriptam ſuperet minori ſpacio
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              quantacumque magnitudine propoſita, & ſit hoc factum.
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              </s>
              <s>Et quoniam quibus planis parallelis tranſeuntibus per præ­
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                <figure id="id.043.01.116.1.jpg" xlink:href="043/01/116/1.jpg" number="88"/>
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              dictas ſectiones axis BD ſecatur conoides ABC, ijſdem
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              ſecatur triangulum per axim ABC, eruntque ſectiones
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              parallelæ: ſit triangulo ABC circumſcripta figura ex pa­
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              rallelogrammis æqualium altitudinum, quæ triangulum &
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              ipſa excedat minori ſpacio quantacumque magnitudine
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              propoſita. </s>
              <s>Cylindrorum autem qui ſunt circa conoides, &
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              parallelogrammorum multitudine æqualium, quæ ſunt cir­
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              ca triangulum ABC, duo proximi baſi AC cylindri ſint
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              AF, HL, & totidem parallelogramma illis reſpondentia
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              inter eadem plana parallela ſint AF, GK. </s>
              <s>Quoniam igi-</s>
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