DelMonte, Guidubaldo, Mechanicorvm Liber

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    <archimedes>
      <text>
        <body>
          <chap id="N1043F">
            <p id="id.2.1.33.4.0.0.0" type="main">
              <s id="id.2.1.33.4.1.2.0">
                <pb n="21" xlink:href="036/01/055.jpg"/>
              tio
                <expan abbr="prætereundũ">prætereundum</expan>
              eſſet, quàm
                <expan abbr="verbũ">verbum</expan>
                <expan abbr="vllũ">vllum</expan>
              in eius confutatione ſumen
                <lb/>
              dum; cùm ſit prorſus voluntarium. </s>
              <s id="id.2.1.33.4.1.3.0">neceſsitas enim cur pondus
                <lb/>
              in D ex maiore angulo ſit grauius; curq; maior angulus maioris
                <lb/>
              ſit cauſa grauitatis; nuſquam apparet. </s>
              <s id="id.2.1.33.4.1.4.0">ſi autem comparentur in­
                <lb/>
              uicem anguli, cùm angulus GCD ſit æqualis angulo FCE; ſi angu
                <lb/>
              lus GCD eſt cauſa grauitatis; quare angulus FCE ſimiliter gra­
                <lb/>
              uitatis non eſt cauſa? </s>
              <s id="id.2.1.33.4.1.5.0">Huius autem rei eam in medium rationem
                <lb/>
              afferre videntur, quoniam CG eſt meta, & CF trutina. </s>
              <s id="id.2.1.33.4.1.6.0">ſi (inquiunt)
                <lb/>
              CG eſſet trutina, & CF meta, tunc angulus FCE grauitatis eſſet
                <lb/>
              cauſa; non autem DCG ipſi æqualis. </s>
              <s id="id.2.1.33.4.1.7.0">quæ quidem ratio imma­
                <lb/>
              ginaria prorſus, ac voluntaria eſſe videtur. </s>
              <s id="id.2.1.33.4.1.8.0">quid enim refert, ſiue tru
                <lb/>
              tina ſit in CF, ſiue in CG, cùm libra DE in eodem ſemper pun­
                <lb/>
              cto C ſuſtineatur? </s>
              <s id="id.2.1.33.4.1.9.0">Vt autem eorum deceptio clarius appa­
                <lb/>
              reat. </s>
            </p>
            <p id="id.2.1.34.1.0.0.0" type="margin">
              <s id="id.2.1.34.1.1.1.0">
                <margin.target id="note59"/>
              33
                <emph type="italics"/>
              Prmi.
                <emph.end type="italics"/>
              </s>
              <s id="id.2.1.34.1.1.2.0">
                <margin.target id="note60"/>
              29
                <emph type="italics"/>
              Primi.
                <emph.end type="italics"/>
              </s>
              <s id="id.2.1.34.1.1.3.0">
                <margin.target id="note61"/>
              29
                <emph type="italics"/>
              Primi.
                <emph.end type="italics"/>
              </s>
            </p>
            <p id="id.2.1.35.1.0.0.0" type="main">
              <s id="id.2.1.35.1.1.1.0">Sit eadem libra AB, cu­
                <lb/>
              ius medium C. </s>
              <s id="id.2.1.35.1.1.1.0.a">ſit deinde
                <lb/>
              tota FG trutina. </s>
              <s id="id.2.1.35.1.1.2.0">eaq; im
                <lb/>
              mobilis exiſtat; quæ libram
                <lb/>
              AB in puncto C ſuſtineat. </s>
              <s id="id.2.1.35.1.1.3.0">
                <lb/>
              moueaturq; libra in DE. </s>
              <s id="N118EA">&
                <lb/>
              quoniam trutina eſt, & ſu­
                <lb/>
              pra, & infra libram, quis
                <lb/>
              nam angulus erit cauſa gra­
                <lb/>
              uitatis, cùm libra DE in
                <lb/>
                <figure id="id.036.01.055.1.jpg" place="text" xlink:href="036/01/055/1.jpg" number="39"/>
                <expan abbr="eodẽ">
                  <lb/>
                eodem</expan>
              ſemper puncto ſuſtineatur? </s>
              <s id="id.2.1.35.1.1.4.0">dicent forſan, ſi trutina à potentia
                <lb/>
              in F ſuſtiteneatur, tunc CG erit tanquam meta, & angulus
                <lb/>
              DCG grauitatis erit cauſa. </s>
              <s id="id.2.1.35.1.1.5.0">ſi verò ſuſtineatur in G, tunc FCE
                <lb/>
              erit cauſa grauitatis, CF verò tanquam meta erit. </s>
              <s id="id.2.1.35.1.1.6.0">cuius quidem
                <lb/>
              rei nulla videtur eſſe cauſa, niſi immaginaria. </s>
              <s id="id.2.1.35.1.1.7.0">meta enim (quod
                <lb/>
              aiunt) nullam prorſus vim attractiuam, quandoq; ex maioris an­
                <lb/>
              guli parte, quandoq; ex parte minoris habere videtur. </s>
              <s id="id.2.1.35.1.1.8.0">Verùm à dua
                <lb/>
              bus potentiis ſuſtineatur trutina, in F ſcilicet, & in G, quod præ ne
                <lb/>
              ceſsitate fieri poteſt, veluti ſi potentia in F ſit adeò debilis, vt ex ſe
                <lb/>
              ipſa medietatem tantùm ponderis ſuſtinere quæat: ſitq; potentia in
                <lb/>
              G ipſi potentiæ in F æqualis, vtræq;
                <expan abbr="autẽ">autem</expan>
              ſimul libram vná cum pon
                <lb/>
              deribus ſuſtineant. </s>
              <s id="id.2.1.35.1.1.9.0">tunc quis nam angulus erit cauſa grauitatis? </s>
              <s id="id.2.1.35.1.1.10.0">non </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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