DelMonte, Guidubaldo, In duos Archimedis aequeponderantium libros Paraphrasis : scholijs illustrata

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    <archimedes>
      <text>
        <body>
          <chap id="N10019">
            <p id="N14ED1" type="main">
              <s id="N14EE9">
                <pb xlink:href="077/01/135.jpg" pagenum="131"/>
              huius figuræ inſcriptæ angulos, qui ſunt vertici
                <lb/>
              portionis proximi, eoſquè deinceps coniungen­
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              tes, baſi portionis æquidiſtantes eſſe; bifariamquè
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              à diametro portionis diuidi; diametrum verò in
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              proportione diuidere numeris deinceps impari­
                <lb/>
              bus. </s>
              <s id="N14EF9">vno deno minato ad verticem portionis. </s>
              <s id="N14EFB">Hoc
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              autem ordinate oſtenſum eſt. </s>
            </p>
            <p id="N14EFF" type="head">
              <s id="N14F01">SCHOLIVM.</s>
            </p>
            <p id="N14F03" type="main">
              <s id="N14F05">Scopus Archimedis in hoc ſecundo libio, vt initio primi
                <lb/>
              diximus, eſt inuenire centrum grauitatis paraboles. </s>
              <s id="N14F09">& vt de­
                <lb/>
              ducatnos in hanc cognitionem, quadam vtitur figura rectili­
                <lb/>
              nea in parabole inſcripta, quę plurimùm conducit, & eſt
                <expan abbr="tã">tam</expan>
                <lb/>
              quam medium ad inueniendum hoc grauitatis centrum. </s>
              <s id="N14F15">his
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              igitur verbis docet, quo modo in parabole in ſcribenda ſit hęc
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              figura; in quibus multa quo 〈que〉 proponit tanquam ſit pro­
                <lb/>
              poſitio quædam; in qua multa ſint oſtendenda. </s>
              <s id="N14F1D">quorum ta­
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              męn demonſtrationem omiſit, ac tanquam ab eo alibi de­
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              monſtratam. </s>
              <s id="N14F23">Horum autem ex Apollonij Pergęi conicis
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              demonſtrationem elicere quidem potuiſſemus. </s>
              <s id="N14F27">at quoniam
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              Archimedes ipſe non nulla ad hæ cſpectantia alijs in locis de­
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              monſtrauit ideo Archimedem per Archimedem declarare o­
                <lb/>
              portunum magis nobis viſum eſt. </s>
            </p>
            <p id="N14F2F" type="main">
              <s id="N14F31">Sit portio contenta recta linea, rectanguliquè coni ſectio­
                <lb/>
              ne ABC, cuius diameter BD. Iunganturquè AB BC, diuida­
                <lb/>
              tur deinde AB bifariam in E, a quo ipſi BD æquidiſtans </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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