DelMonte, Guidubaldo, Mechanicorvm Liber

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        <body>
          <chap id="N128CF">
            <pb xlink:href="036/01/096.jpg"/>
            <p id="id.2.1.83.1.0.0.0" type="head">
              <s id="id.2.1.83.1.2.1.0">ALITER. </s>
            </p>
            <figure id="id.036.01.096.1.jpg" place="text" xlink:href="036/01/096/1.jpg" number="90"/>
            <p id="id.2.1.83.2.0.0.0" type="main">
              <s id="id.2.1.83.2.1.1.0">Sit vectis AB, cuius fulcimentum B; & ex puncto A ſit pon­
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              dus C ſuſpenſum; ſitq; potentia in D ſuſtinens pondus C. </s>
              <s id="id.2.1.83.2.1.1.0.a">Dico
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              vt AB ad BD, ita eſſe potentiam in D ad pondus C. </s>
              <s id="id.2.1.83.2.1.1.0.b">Produca
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              tur AB in E, fiatq; BE æqualis ipſi BA; & ex puncto E appen
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              datur pondus F æquale ponderi C; & vt BD ad BE, ita fiat pon
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              dus F ad aliud G, quod ex puncto D ſuſpendatur. </s>
              <s id="id.2.1.83.2.1.2.0">pondera FG
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              æqueponderabunt. </s>
              <s id="id.2.1.83.2.1.3.0">& quoniam AB eſt æqualis BE, & pondera
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              FC æqualia; ſimiliter pondera FC æqueponderabunt. </s>
              <s id="id.2.1.83.2.1.4.0">Pondera
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              verò FGC ſuſpenſa in vecte EBA, cuius fulcimentum eſt B, non
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              æqueponderabunt; ſed ex parte A deorſum tendent. </s>
              <s id="id.2.1.83.2.1.5.0">Ponatur igi
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              tur in D tanta vis, vt pondera FGC æqueponderent; erit po­
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              tentia in D æqualis ponderi G: pondera enim FC æqueponde­
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              rant, & potentia in D nil aliud efficere debet, niſi ſuſtinere pon­
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              dus G ne deſcendat. </s>
              <s id="id.2.1.83.2.1.6.0">& quoniam pondera FGC, & potentia in
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              D æqueponderant, demptis igitur FG ponderibus, quæ æquepon
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              derant; reliqua æqueponderabunt, ſcilicet potentia in D ponderi C.
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              </s>
              <s id="N12CDC">hoc eſt potentia in D pondus C ſuſtinebit, ita vt vectis AB ma­
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              neat, vt prius. </s>
              <s id="id.2.1.83.2.1.7.0">& cùm potentia in D ſit æqualis ponderi G, & pon­
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              dus C æquale ponderi F; habebit potentia in D ad pondus C ean
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              dem proportionem, quam EB, hoc eſt AB ad BD. </s>
              <s id="id.2.1.83.2.1.7.0.a">quod de­
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              monſtrare oportebat. </s>
            </p>
            <p id="id.2.1.83.3.0.0.0" type="head">
              <s id="id.2.1.83.3.1.1.0">COROLLARIVM I. </s>
            </p>
            <p id="id.2.1.83.4.0.0.0" type="main">
              <s id="id.2.1.83.4.1.1.0">Ex hoc etiam pàtet, vt prius, ſi coftituatur pon
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              dus fulcimento B propius, vt in H; à minori po­
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              tentia pondus ipſum ſubſtineri debere. </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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