DelMonte, Guidubaldo, Mechanicorvm Liber

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    <archimedes>
      <text>
        <body>
          <chap id="N1043F">
            <pb xlink:href="036/01/068.jpg"/>
            <p id="id.2.1.49.10.0.0.0" type="main">
              <s id="id.2.1.49.10.1.1.0">Sit libra horizonti æ­
                <lb/>
              quidiſtans AB, cuius cen
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              trum C ſit ſupra libram,
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              perpendiculumq; CD ho
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              rizonti perpendiculare,
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              quod ex parte D produca
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              tur in H. </s>
              <s id="id.2.1.49.10.1.1.0.a">Quoniam enim
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              conſiderata libræ grauita­
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              te, erit punctum D libræ
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              centrum grauitatis. </s>
              <s id="id.2.1.49.10.1.2.0">ſi ergo
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              in B paruum imponatur
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              pondus, cuius centrum
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                <figure id="id.036.01.068.1.jpg" place="text" xlink:href="036/01/068/1.jpg" number="52"/>
                <lb/>
              grauitatis ſit in puncto B; magnitudinis ex libra AB, & pondere
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              in B compoſitæ non erit amplius centrum grauitatis D; ſed erit in
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                <arrow.to.target n="note76"/>
              linea DB, vt in E: ita vt DE ad EB ſit, vt pondus in B ad gra­
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              uitatem libræ AB. </s>
              <s id="N11F44">Connectatur CE. </s>
              <s id="id.2.1.49.10.1.2.0.a">Quoniam autem pun­
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              ctum C eſt immobile, dum libra mouetur, punctum E circuli cir
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              cumferentiam EFG deſcribet, cuius ſemidiameter CE, & cen­
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              trum C. </s>
              <s id="N11F4F">quia verò CD horizonti eſt perpendicularis, linea CE
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              horizonti perpendicularis nequaquam erit. </s>
              <s id="id.2.1.49.10.1.3.0">quare magnitudo ex
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              AB, & pondere in B compoſita minimè in hoc ſitu manebit; ſed
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                <arrow.to.target n="note77"/>
              deorſum ſecundùm eius grauitatis centrum E per circumferen­
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              tiam EFG mouebitur; donec CE horizonti perpendicularis eua
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              dat; hoc eſt, donec CE in CDF perueniat. </s>
              <s id="id.2.1.49.10.1.4.0">atq; tunc libra AB
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              mota erit in kL, in quo ſitu libra vná cum pondere manebit. </s>
              <s id="id.2.1.49.10.1.5.0">nec
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              deorſum amplius mouebitur. </s>
              <s id="id.2.1.49.10.1.6.0">Si verò in B ponatur pondus graui­
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              us; centrum grauitatis totius magnitudinis erit ipſi B propius, vt in
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              M. </s>
              <s id="N11F72">& tunc libra deorſum, donec iuncta CM in linea CDH per
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              ueniat, mouebitur. </s>
              <s id="id.2.1.49.10.1.7.0">Ex maiore igitur, & minore pondere in B po
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              ſito, libra plus, minuſuè inclinabitur. </s>
              <s id="id.2.1.49.10.1.8.0">ex quo ſequitur pondus B
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              quarta circuli parte minorem ſemper circumferentiam deſcribe­
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              re, cùm angulus FCE ſit ſemper acutus. </s>
              <s id="id.2.1.49.10.1.9.0">nunquam enim punctum
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              B vſq; ad lineam CH perueniet, cùm centrum grauitatis ponde­
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              ris, & libræ ſimul ſemper inter DB exiſtat. </s>
              <s id="id.2.1.49.10.1.10.0">quò tamen pondus
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              in B grauius fuerit, maiorem quoq; circumferentiam deſcribet. </s>
              <s id="id.2.1.49.10.1.11.0">
                <lb/>
              eò enim magis punctum B ad lineam CH accedet. </s>
            </p>
            <p id="id.2.1.50.1.0.0.0" type="margin">
              <s id="id.2.1.50.1.1.1.0">
                <margin.target id="note76"/>
              6
                <emph type="italics"/>
              Primi Archim. de æquep.
                <emph.end type="italics"/>
              </s>
              <s id="id.2.1.50.1.1.3.0">
                <margin.target id="note77"/>
              1.
                <emph type="italics"/>
              Huius.
                <emph.end type="italics"/>
              </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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