Guevara, Giovanni di, In Aristotelis mechanicas commentarii, 1627

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      <text>
        <body>
          <chap id="N10019">
            <p id="N11AD9" type="main">
              <s id="N11AE6">
                <pb pagenum="54" xlink:href="005/01/062.jpg"/>
              adhibentur tanquam inſtrumenta ad leuanda pondera, vel
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              quomodolibet mouenda grauia, quæ reſpectiuè dicuntur
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              etiam leuia. </s>
              <s id="N11AFA">Sunt autem hæc inſtrumenta præcipua ſex, ad
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              quæ cætera omnia reducuntur: nempè Libra. </s>
              <s id="N11B00">Vectis, Tro­
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              chlea, Axis in Peritrochio, Cuneus, & Cochlea Et licet Ari­
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              ſtoteles diſtinctam eorum tractationem prætermiſerit, ac
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              non niſi quatuor ex ipſis hic, vel in ſequentibus quæſtionibus
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              pro opportunitate meminerit, ſupponit nihilominus
                <expan abbr="tanquã">tanquam</expan>
                <lb/>
              certum, illa omnia ac ſimilia participare naturam circuli,
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              eorumque vim qua motricem augent potentiam in hoc ip­
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              ſo conſiſtere, vt circuli proprietatem ſapiendo, faciliùs &
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              mouerentur, & motum præſtarent oneribus ac ponderibus
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              mouendis, cum circularis ſine orbicularis figura ſit omnium
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              mouentiſſima. </s>
              <s id="N11B1B">Ait enim ſupra tex. 5. Ea igitur quæ circa
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              libram fiunt, ad circulum referuntur: quæ verò circa vectem,
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              ad ipſam libram: alia autem ferè omnia, quæ circa mecha­
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              nicas ſunt motiones, ad vectem. </s>
              <s id="N11B26">Ex quibus infertur ſiue im­
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              mediate, ſiue mediante, alia quadam abſtracta ratione quam
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              ipſa participent, mechanica penè omnia inſtrumenta in ſuis
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              motionibus ad circuli naturam referri. </s>
              <s id="N11B2F">Quod vt clarius te­
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              neatur, pauca ſaltem de ſingulis ipſis inſtrumentis hic adij­
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              cere opere pretium putauimus, ea ſcilicet tantum mo­
                <lb/>
              do, quæ ad inſtitutam textus dilucidationem no­
                <lb/>
              uerimus pertinere; Cum exacta huiuſmodi
                <lb/>
              inſtrumentum tractatio habeatur apud
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              Heronem, Pappum, & alios ve­
                <lb/>
              teres, nouiſsimè verò &
                <lb/>
              accuratiſsimè apud
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              Guidum Vbal­
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              dum
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              ex Marchionibus Montis, qui ſi­
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              gillatim de illis præcla
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              rum librum in­
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              ſtituit. </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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