DelMonte, Guidubaldo, Mechanicorvm Liber

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    <archimedes>
      <text>
        <body>
          <chap id="N13F6F">
            <pb xlink:href="036/01/142.jpg"/>
            <p id="id.2.1.141.7.0.0.0" type="main">
              <s id="id.2.1.141.7.1.1.0">Sit orbiculus trochleæ CEF, cu
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              ius centrum D; ſitq; axiculus GHk,
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              cuius idem ſit centrum D. </s>
              <s id="id.2.1.141.7.1.1.0.a">Ducatur
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              CG DkF diameter horizonti æ­
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              quidiſtans. </s>
              <s id="id.2.1.141.7.1.2.0">& quoniam dum orbi­
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              culus circumuertitur, circumferen­
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              tia circuli CEF ſemper eſt æquidi­
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              ſtans circumferentiæ axiculi GHk;
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              circa enim axiculum circumuerti­
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              tur; & circulorum æquidiſtantes cir
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              cumferentiæ idem habent centrum;
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              erit punctum D ſemper & orbiculi,
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                <figure id="id.036.01.142.1.jpg" place="text" xlink:href="036/01/142/1.jpg" number="137"/>
                <lb/>
              & axiculi centrum. </s>
              <s id="id.2.1.141.7.1.3.0">Itaq; cùm DC ſit æqualis DF, & DG ipſi
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              Dk; erit GC ipſi kF æqualis. </s>
              <s id="id.2.1.141.7.1.4.0">ſi igitur in vecte, ſiue libra CF
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              pondera appendantur æqualia, æqueponderabunt. </s>
              <s id="id.2.1.141.7.1.5.0">diſtantia enim
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              CG æqualis eſt diſtantiæ kF; axiculuſq; GHK immobilis gerit
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              vicem centri, ſiue fulcimenti. </s>
              <s id="id.2.1.141.7.1.6.0">immobili igitur manente axicu­
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              lo, ſi ponatur in F potentia ſuſtinens pondus in C appenſum; erit
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              potentia in F ipſi ponderi æqualis. </s>
              <s id="id.2.1.141.7.1.7.0">quod erat oſtendendum. </s>
            </p>
            <p id="id.2.1.141.8.0.0.0" type="main">
              <s id="id.2.1.141.8.1.1.0">Et cùm idem prorſus ſit, ſiue axiculus circumuertatur, ſiue mi­
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              nus; liceat propterea in iis, quæ dicenda ſunt, loco axiculi cen­
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              trum tantùm accipere. </s>
            </p>
            <p id="id.2.1.141.9.0.0.0" type="head">
              <s id="id.2.1.141.9.1.1.0">PROPOSITIO II. </s>
            </p>
            <p id="id.2.1.141.10.0.0.0" type="main">
              <s id="id.2.1.141.10.1.1.0">Si funis orbiculo trochleæ ponderi alligatæ
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              circumducatur, altero eius extremo alicubi reli­
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              gato, altero uerò à potentia pondus ſuſtinente
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              apprehenſo; erit potentia ponderis ſubdupla. </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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