Guevara, Giovanni di, In Aristotelis mechanicas commentarii, 1627

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      <text>
        <body>
          <chap id="N10019">
            <pb pagenum="58" xlink:href="005/01/066.jpg"/>
            <p id="N11CFB" type="head">
              <s id="N11CFD">DE TROCHLEA.</s>
            </p>
            <p id="N11D00" type="main">
              <s id="N11D02">Trochlea eſt inſtrumentum veluti conce­
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              ptaculum quoddam, aut capſula, vnum, vel
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              plures ſtriatos orbiculos, ſeu rotulas in ſe
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              continens, axiculis per rotulas traiectis, circa
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              quos illæ vertuntur, quibus admoto fune du­
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              ctario eleuantur, aut remittuntur onera. </s>
              <s id="N11D0F">Conſtare autem
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              ſolet Trochlea ex vno, vel pluribus orbiculis tanquam inter
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              thecas inſertis, non quidem æqualibus, ſed maioribus ſuper
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              minores adiectis, ne vnius funis circumductus funem alte­
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              rius impediat. </s>
              <s id="N11D1A">Inſuper ipſi orbiculo, modò bini ſuper binos
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              locari conſueuerunt, ita vt in trochlea quatuor, vel ſex or­
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              biculi, duplici, vel triplici ordine
                <expan abbr="reperiãtur">reperiantur</expan>
              diſpoſiti; modo
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              verò non niſi ſinguli ſuper ſingulos, totidem ordinibus con­
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              tinentur, vt quo potuimus modò hic figuris expreſsimus. </s>
            </p>
            <figure id="id.005.01.066.1.jpg" xlink:href="005/01/066/1.jpg" number="12"/>
            <p id="N11D2E" type="main">
              <s id="N11D30">Reducitur autem Trochlea ad Vectem, & conſequen­
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              ter ad libram, quia vnuſquiſque orbiculus illius per diame­
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              trum nititur proprio axiculo tanquam fulcimento, quod in­
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              ter onus leuandum, aut ſuſtinendum, & potentiam eleuan­
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              tem locatur, ita vt ad depreſsionem vnius extremitatis dia-</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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