Varro, Michael, De motv tractatvs

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb xlink:href="044/01/037.jpg" pagenum="29"/>
              conſtantibus inditis nominibus, vt eſſent
                <expan abbr="ponderũ">ponderum</expan>
                <lb/>
              omnium communes menſuræ, vt ſunt libræ, vncia,
                <lb/>
                <expan abbr="drachmę">drachmæ</expan>
              , &c. </s>
              <s>quas famoſas menſuras
                <expan abbr="vocãt">vocant</expan>
              . </s>
              <s>Quem­
                <lb/>
              admodum igitur numeros numeris, ſic pondera
                <expan abbr="põ-deribus">pon­
                  <lb/>
                deribus</expan>
              metimur. </s>
              <s>
                <expan abbr="Tãtum">Tantum</expan>
              enim pondus eſſe dicitur,
                <lb/>
              quot libras vncias drachmas æqualiter mouere po­
                <lb/>
              teſt dempto momento. </s>
              <s>Nec tantum pondera hoc
                <lb/>
              modo metimur, ſed etiam alias omnes vires motum
                <lb/>
              ad locum cientes. </s>
              <s>Quot enim libras vir aut aliud a­
                <lb/>
              nimal vel
                <expan abbr="vẽtus">ventus</expan>
              aut ignis, aut aliqua alia vis dempto
                <lb/>
              momento mouere poterit, tot libris illam æqualem
                <lb/>
              eſſe dicemus. </s>
              <s>Si igitur data vel propoſita vis metien­
                <lb/>
              da ſit, ſiquidem naturalis ſit, quoniam docuimus
                <lb/>
              vim naturalem per totum ſubiectum diffuſam eſſe
                <lb/>
              in rebus homogeneis: id eſt, vt quæ eſt proportio
                <lb/>
              molis ad molem, eadem ſit ponderis ad pondus: ſu­
                <lb/>
              memus partem aliquam illi homogeneam, aut ex i­
                <lb/>
              pſo ſubiecto, aut ex alio ipſi homogeneo, eámque
                <lb/>
              famoſa aliqua menſura metiemur, vtramque ſcili­
                <lb/>
              cet committendo & obſeruando, quem motum al­
                <lb/>
              tera in altera ciere poſſit, vbi enim æquilibrium fa­
                <lb/>
              cient motibus extremorum, quibus affixæ fuerint,
                <lb/>
              proportionales erunt per 1 theorema: motus autem
                <lb/>
              illi linearum dimenſione quam Geometria docet,
                <lb/>
              noti erunt, & eorum proportio, nota igitur erit &
                <lb/>
              virium proportio. </s>
              <s>Atqui menſuræ famoſæ nota, per </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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