DelMonte, Guidubaldo, Mechanicorvm Liber

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    <archimedes>
      <text>
        <body>
          <chap id="N16D2B">
            <pb n="125" xlink:href="036/01/263.jpg"/>
            <p id="id.2.1.239.3.0.0.0" type="main">
              <s id="id.2.1.239.3.1.1.0">Poſtquam vidimus quomodo pondera huiuſmodi moueantur
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              inſtrumento; nunc conſiderandum eſt, quæ nam ſint ea, quæ effi
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              ciunt, vt pondera facilè moueantur: hæc autem duo ſunt. </s>
            </p>
            <p id="id.2.1.239.4.0.0.0" type="main">
              <s id="id.2.1.239.4.1.1.0">Primùm quidem, quod efficit, vt facilè pon­
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              dus moueatur, quod etiam ad eſſentiam cochleæ
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              magis pertinere videtur; eſt helix circa co­
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              chleam. </s>
              <s id="id.2.1.239.4.1.2.0">vt ſi circa datam cochleam AB duæ
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              ſint helices inæquales CDA EFG, ſitq; AC mi
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              nor EG. </s>
              <s id="id.2.1.239.4.1.2.0.a">Dico idem pondus facilius ſuper heli
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              cen CDA moueri, quàm ſuper EFG.
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                <figure id="id.036.01.263.1.jpg" place="text" xlink:href="036/01/263/1.jpg" number="242"/>
              </s>
            </p>
            <p id="id.2.1.239.5.0.0.0" type="main">
              <s id="id.2.1.239.5.1.1.0">Compleatur cuneus
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              ADCHI, hoc eſt de­
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              ſcribatur helix CHI
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              æqualis CDA, & ver­
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              tex cunei ſit C. </s>
              <s id="N17035">ſimili
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              ter compleatur cuneus
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              GFEKL, cuius ver­
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              tex E. </s>
              <s id="N1703D">exponatur de­
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              inde recta linea MN,
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              quæ ſit ipſi AC æqua­
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              lis, cui ad rectos angu
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              los ducatur NP, quæ ſit
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              æqualis perimetro cy­
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              lindri AB: & conne­
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              ctatur
                <arrow.to.target n="note324"/>
              PM; erit PM,
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              per ea, quæ dicta ſunt,
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              ipſi CDA æqualis. </s>
              <s id="id.2.1.239.5.1.2.0">
                <lb/>
              producatur deinde M
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              N in O, fiatq; ON æ­
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              qualis MN, coniunga
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              turq; OP; erit OPM cuneus cuneo ADCHI æqualis. </s>
              <s id="id.2.1.239.5.1.3.0">ſimili­
                <arrow.to.target n="note325"/>
              </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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