DelMonte, Guidubaldo, Mechanicorvm Liber

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    <archimedes>
      <text>
        <body>
          <chap id="N13F6F">
            <pb xlink:href="036/01/140.jpg"/>
            <p id="id.2.1.139.4.0.0.0" type="main">
              <s id="id.2.1.139.4.1.1.0">Sit pondus A,
                <lb/>
              cui alligatus ſit fu­
                <lb/>
              nis in B; trochleaq;
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              habens orbiculum C
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              EF, cuius centrum
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              D, ſurſum appenda­
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              tur; ſitq; D quoq;
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              centrum axiculi; &
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              circa orbiculum uo­
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              luatur funis BC EF
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              G; ſitq; potentia
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              in G ſuſtinens pon­
                <lb/>
              dus A. </s>
              <s id="id.2.1.139.4.1.1.0.a">dico poten­
                <lb/>
              tiam in G ponderi A
                <lb/>
              æqualem eſſe. </s>
              <s id="id.2.1.139.4.1.2.0">Sit FG
                <lb/>
              æquidiſtans CB. </s>
              <s id="id.2.1.139.4.1.2.0.a">
                <lb/>
              Quoniam igitur pon
                <lb/>
                <arrow.to.target n="note217"/>
              dus A manet; erit
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                <figure id="id.036.01.140.1.jpg" place="text" xlink:href="036/01/140/1.jpg" number="135"/>
                <lb/>
              CB horizonti plano perpendicularis: quare FG eidem plano per­
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                <arrow.to.target n="note218"/>
              pendicularis erit. </s>
              <s id="id.2.1.139.4.1.3.0">Sint CF
                <expan abbr="pũcta">puncta</expan>
              in orbiculo, à quibus funes CB FG
                <lb/>
              in horizontis
                <expan abbr="planũ">planum</expan>
              ad rectos angulos deſcendunt; tangent BC FG
                <lb/>
                <expan abbr="orbiculũ">orbiculum</expan>
              CEF in punctis CF. </s>
              <s id="N140A0">
                <expan abbr="orbiculũ">orbiculum</expan>
              enim ſecare
                <expan abbr="nõ">non</expan>
              poſſunt. </s>
              <s id="id.2.1.139.4.1.4.0">con
                <lb/>
              nectantur DC DF; erit CF recta linea, & anguli DCB DFG recti. </s>
              <s id="id.2.1.139.4.1.5.0">
                <lb/>
                <arrow.to.target n="note219"/>
                <expan abbr="Quoniã">Quoniam</expan>
                <expan abbr="autẽ">autem</expan>
              BC tùm horizonti, tùm ipſi CF eſt perpendicularis;
                <lb/>
              erit linea CF horizonti æquidiſtans. </s>
              <s id="id.2.1.139.4.1.6.0">cùm verò
                <expan abbr="põdus">pondus</expan>
              appenſum ſit
                <lb/>
                <arrow.to.target n="note220"/>
              in BC, & potentia ſit in G; quod idem eſt, ac ſi eſſet in F; erit
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              CF tanquam libra, ſiue vectis, cuius centrum, ſiue fulcimentum eſt
                <lb/>
              D; nam in axiculo
                <expan abbr="orbuculus">orbiculus</expan>
              ſuſtinetur; atq; punctum D, cùm ſit
                <lb/>
              centrum axiculi, & orbiculi, etiam vtriſque circumuolutis
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              immobile remanet. </s>
              <s id="id.2.1.139.4.1.7.0">Itaq; cùm diſtantia DC ſit æqualis diſtantiæ
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              DF, potentiaq; in F ponderi A in C appenſo æqueponderet, cùm
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                <arrow.to.target n="note221"/>
              pondus ſuſtineat, ne deorſum vergat; erit potentia in F, ſiue in G
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              (nam idem eſt) conſtituta ponderi A æqualis. </s>
              <s id="id.2.1.139.4.1.8.0">Idem enim effi­
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              cit potentia in G, ac ſi in G aliud eſſet appenſum pondus æquale
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              ponderi A; quæ pondera in CF appenſa æquæponderabunt. </s>
              <s id="id.2.1.139.4.1.9.0">Præ­
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              terea, cùm in neutram fiat motus partem, idem erit vnico exi­</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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