DelMonte, Guidubaldo, Mechanicorvm Liber

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    <archimedes>
      <text>
        <body>
          <chap id="N16D2B">
            <p id="id.2.1.237.20.0.0.0" type="main">
              <s id="id.2.1.237.20.1.4.0">
                <pb xlink:href="036/01/258.jpg"/>
                <figure id="id.036.01.258.1.jpg" place="text" xlink:href="036/01/258/1.jpg" number="236"/>
              </s>
            </p>
            <p id="id.2.1.237.21.0.0.0" type="main">
              <s id="id.2.1.237.21.1.1.0">Si verò (vt in tertia figura) ſupra cochleam imponatur aliquod,
                <lb/>
              vt B, quod quidem tylum vocant, ita accommodatum, vt inferio
                <lb/>
              ri parte helices habeat concauas ipſi cochleæ appoſitè admodum
                <lb/>
              congruentes; perſpicuum ſatis eſſe poterit, ipſum B, dum
                <expan abbr="coclhea">cochlea</expan>
                <lb/>
              circumuertitur, ſuper helices cochleæ eo prorſus modo moueri;
                <lb/>
              quo pondus iuxta primam
                <expan abbr="figurã">figuram</expan>
              mouebatur: dummodo tylum ap­
                <lb/>
              tetur, vt docet Pappus in octauo libro; ita ſcilicet vt tantùm an­
                <lb/>
              tè, retrouè axi cylindri æquidiſtans moueatur.
                <figure id="id.036.01.258.2.jpg" place="text" xlink:href="036/01/258/2.jpg" number="237"/>
              </s>
            </p>
            <p id="id.2.1.237.22.0.0.0" type="main">
              <s id="id.2.1.237.22.1.1.0">Et ſi loco tyli, quod helices habet concauas in parte inferiori, con
                <lb/>
              ſtituatur, vt in quarta figura, cylindrus concauus vt D, & in eius
                <lb/>
              concaua ſuperficie deſcribantur helices, incidanturq; ita, vt aptè </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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