Valerio, Luca, De centro gravitatis solidorvm libri tres

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              <s>
                <pb xlink:href="043/01/202.jpg" pagenum="23"/>
              quale eſse cono, vel portioni conicæ. </s>
              <s>Nam circa axim
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              BD, & ſuper baſim circulum, vel ellipſim, cuius diame­
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              ter RE, ſimilem & oppoſitam ei, quæ circa AC, deſcri­
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              batur conus, vel coni portio RDE. </s>
              <s>Deinde axe BD bi­
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              fariam ſecto, & ſingulis eius partibus rurſus bifariam, vt
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              partes axis BD omnes ſint æquales, per puncta ſectio­
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              num, quotquot erunt, totidem plana parallela ſecent vnà
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              cum ſolido AE duas ipſius partes, ſolida ABC, RDE.
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              </s>
              <s>Omnes igitur factæ ſectiones, vel erunt circuli, vel ſimiles
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              ellipſes ei, quæ eſt circa AC, atque adeo inter ſe ſimiles:
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              talium autem ſectiones communes cum AE parallelo,
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                <figure id="id.043.01.202.1.jpg" xlink:href="043/01/202/1.jpg" number="149"/>
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              grammo per axim, erunt rectæ lineæ, ternæ in ſingu­
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              lis planis ſecantibus, & in eadem recta linea; vt in proxi­
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              ma ipſi RE, ſunt FL, GN, KM, quæ quidem erunt
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              trium circulorum, vel ſimilium ellipſium diametri eiuſdem
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              rationis baſium trium ſolidorum, cylindri ſcilicet, vel por­
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              tionis cylindricæ FL, fruſti GL, & portionis KBM, he
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              miſphærij, vel hemiſphæroidis ABC. </s>
              <s>Itaque circa axem
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              BH cylindri, vel portionis cylindricæ FE, & ſuper ba­
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              ſes circulos, vel ellipſes circa GN, KM, deſcribantur
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              cylindri, vel cylindri portiones GP, KQ, qui pat­
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              tes erunt totius cylindri, vel portionis cylindricæ FE.
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              </s>
              <s>Idem fiat circa reliquas axis partes BD tamquam axes, </s>
            </p>
          </chap>
        </body>
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