DelMonte, Guidubaldo, Le mechaniche

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    <archimedes>
      <text id="id.0.0.0.0.3">
        <body id="id.2.0.0.0.0">
          <chap id="N14EBE">
            <pb xlink:href="037/01/160.jpg"/>
            <p id="id.2.1.868.0.0" type="head">
              <s id="id.2.1.868.1.0">PROPOSITIONE XI. </s>
            </p>
            <p id="id.2.1.869.0.0" type="main">
              <s id="id.2.1.869.1.0">Se la corda ſarà inuolta intorno alla girella della taglia legata al
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              peſo, laqual corda con vno de' ſuoi capi ſia legata in qualche
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              luogo, & con l'altro preſa dalla poſſanza che moue il peſo; La
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              poſſanza mouerà ſempre con la leua egualmente diſtante dal
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              l'orizonte. </s>
            </p>
            <p id="id.2.1.870.0.0" type="main">
              <s id="id.2.1.870.1.0">
                <emph type="italics"/>
              Sia il peſo A: ſia la girella CED
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              della taglia legata al peſo A,
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              da KH, & ſia KH ad ango­
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              li retti dell'orizonte, di modo
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              the il peſo ſegua ſempre il mo­
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              uimento della taglia, ſia pur fat­
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              to all'insù, ouero all'ingiù, &
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              ſia il centro della girella K, &
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              la corda inuolta intorno alla gi­
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              rella ſia BCDEF, la quale
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              ſia legata in B, di modo che
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              ſtia immobile in B: & ſia in F
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              la poſſanza, che moue il peſo A.
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              </s>
              <s id="id.2.1.870.2.0">Dico che la poſſanza di F mo­
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              ue ſempre il peſo A con la le­
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              ua egualmente diſtante dall'ori­
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              zonte. </s>
              <s id="id.2.1.870.3.0">Siano BC EF egual
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              mente diſtanti sì fra loro, come
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              ad eſſa KH, & à piombo al­
                <emph.end type="italics"/>
                <lb/>
                <arrow.to.target n="note240"/>
                <emph type="italics"/>
              l'orizonte della iſteſſa KH, &
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              toccanti il cerchio CED ne i
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              punti EC, & ſia congiunta la
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              EC laquale paſſerà per lo cen
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              tro K, & ſarà egualmente di
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              ſtante dall'orizonte, ſi come pri­
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              ma è detto. </s>
              <s id="id.2.1.870.4.0">Hor percioche la
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              girella CED ſi volge d'intor­
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              no K ſuo centro, però mentre
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              la forza di F tira sù il punto E
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              dourebbe diſcendere il punto C
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              & tirare in giù B: ma la cor­
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              da poſta in B è immobile, on­
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              de BC non può diſcendere.
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              </s>
              <s id="id.2.1.870.5.0">Per laqual coſa mentre la poſ­
                <emph.end type="italics"/>
                <lb/>
                <figure id="id.037.01.161.1.jpg" xlink:href="037/01/161/1.jpg" number="152"/>
              </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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