Iordanus <Nemorarius>, Liber Iordani Nemorarii viri clarissimi de ponderibus propositiones XIII & earundem demonstrationes, multarumque rerum rationes sane pulcherrimas completens, nunc in lucem editus

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    <archimedes>
      <text>
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          <chap>
            <pb xlink:href="050/01/025.jpg"/>
            <p type="main">
              <s>[commentary not transcribed]</s>
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          <chap>
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              <s id="id.0.0.35.00">PROPOSITIO NONA.
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              <s id="id.0.0.35.01.prop">Si duo oblonga unius grossiciei per totum ſimilia
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              et pondere et quantitate æqualia, appendantur, ita,
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              ut alterum erigatur, et alterum orthogonaliter depen
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              deat, ita etiam, ut termini dependentis, et medii alte­
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              rius, eadem sit a centro distantia, secundum hunc situm
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              æque gravia fient.
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              </s>
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              <s id="id.0.0.36.01">Unum pondus secet brachium transversum, et aliud pondus de­
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              pendeat descensu verso, et sit terminus illius inæquali distantia a centro
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              motus cum medio alterius, quia sicut illius extremum plus a centro di­
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              stat, ita istius medium.</s>
              <s id="id.0.0.36.02">probatur sic, Gravitas naturalis est æqualis utro
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              bique propositum ut violentum, similiter, quia semicirculi sunt æquales,
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              ergo æque gravia secundum situm sunt appensa.</s>
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            <p type="main">
              <s>[commentary not transcribed]</s>
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        </body>
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