Guevara, Giovanni di, In Aristotelis mechanicas commentarii, 1627

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    <archimedes>
      <text>
        <body>
          <chap id="N10019">
            <p id="N129F5" type="main">
              <s id="N12A0F">
                <pb pagenum="88" xlink:href="005/01/096.jpg"/>
              explicato illo principio; quoniam ſcilicet, quæ plus à cen­
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              tro diſtat linea, ſeu extremitas ſemidiametri, maiorem de­
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              ſcribit circumferentiam, quæ ſanè cum magis ad rectam li­
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              neam accedat, facilius, ac velocius per ipſam fertur ſemidia­
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              meter, tanquam per viam magis connaturalem, vt ibidem
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              explicuimus. </s>
            </p>
            <p id="N12A21" type="main">
              <s id="N12A23">Illud autem, quod Ariſtoteles interpoſuit, nempe: Quod
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              igitur motum pondus admouens, longitudo patitur ad lon­
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              gitudinem: idem eſt, ac dicere, eandem proportionem ha­
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              bere motricem potentiam ad pondus leuandum, quam ha­
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              bet eius longitudo, ſeu diſtantia à centro vectis ad longitu­
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              dinem, ſeu diſtantiam ponderis ab eodem centro vbi eſt
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              fulcimentum. </s>
              <s id="N12A32">Quare ſubiungit: Semper autem quanto ab
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              hypomochlio, id eſt fulcimento, diſtabit magis, tanto facilius
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              mouebit. </s>
              <s id="N12A39">Hæc ille, quæ poſtea exactius tradita ſunt ab
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              Archimede in ſuo primo libro æqueponderantium propo­
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              ſitione ſexta; & acutiſſimè probantur à Guido Vbaldo è
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              Marchionibus Montis in ſuis Mechanicis tractatu de libra
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              propoſitione ſexta; ac de vecte propoſitione quarta. </s>
              <s id="N12A44">De­
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              monſtrant enim in æquilibrijs, tàm vectis, quàm libræ, ita ſe
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              habere pondus ad pondus, vt brachium ad brachium ex
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              commutata proportione. </s>
              <s id="N12A4D">Sit enim vectis, aut libra AB ſuf­
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              fulta, aut ſuſpenſa in C. </s>
              <s id="N12A53">Brachium autem CA ſit verbi
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                <figure id="id.005.01.096.1.jpg" xlink:href="005/01/096/1.jpg" number="31"/>
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              gratia vnius
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              palmi. </s>
              <s id="N12A60">Bra­
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              chium verò
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              CB ſit qua­
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              tuor palmo­
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              rum. </s>
              <s id="N12A6B">Dein­
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              de
                <expan abbr="appẽda-tur">appenda­
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                tur</expan>
              in
                <expan abbr="Apõ-dus">A pon­
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                dus</expan>
              D, quod
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                <expan abbr="põderet">ponderet</expan>
              , vt
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              quatuor; &
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              in B appen­
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              datur pondus E, ponderans vt vnum; ita vt ipſum pondus </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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