Guevara, Giovanni di, In Aristotelis mechanicas commentarii, 1627

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          <chap id="N10019">
            <pb pagenum="214" xlink:href="005/01/222.jpg"/>
            <p id="N16528" type="main">
              <s id="N1652A">Huiuſque ex mente, ac doctrina Ariſtotelis, qui tamen
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              multorum iudicio non videtur obiectam ſibi difficultatem
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              ſatis infringere, vt quæ adhuc magna ex parte maneat in ſuo
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              robore. </s>
              <s id="N16535">Nam hoc quod eſt proprio, vel alieno motu cieri,
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                <expan abbr="centrumq.">centrumque</expan>
              circuli deferentis per accidens eſſe etiam cen­
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              trum circuli delati, non tollit, vtrunque circulum ſecun­
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              dum abſidem codem pacto rotari, ac propriam lineam
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              rectam in ſuo plano deſcribere: vnde videtur inferri eodem
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              etiam pacto vtramque lineam deſcriptam propriæ periphe­
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              riæ à qua deſcribitur debere commenſurari. </s>
              <s id="N16547">Parum enim
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              refert, circulum per ſe rotari circa proprium centrum ad
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              impulſum axis immediatè, vel per accidens mediante alio
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              circulo, dummodo eodem pacto per circumuolutionem ſuę
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              abſidis circa idem centrum lineam deſcribat, cui illa debeat
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              commenſurari. </s>
              <s id="N16554">Sphæra namque ſuper planum rotando ſi­
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              ue proprio nutu, ſiue alieno impulſu, tardius, aut velocius,
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              ſicut omnes plani partes, per quas tranſit debet attingere;
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              ita per totidem partes ſuas illis debet correſpondere, & ad
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              æqualitatem in tranſitu adaptari. </s>
              <s id="N1655F">Ratio verò vtriuſque eſſe
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              poteſt, quia non datur inſtans, in quo abſis ipſa, vel periphe­
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              ria ſiue maioris, ſiue minoris circuli per nouum punctum
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              proprium, vlterius non attingat nouum punctum lineæ re­
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              ctæ ſuper quam fertur; nec tempus in quo noua eius pars
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              nouæ parti illius non commenſuretur. </s>
              <s id="N1656C">Quapropter cum
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              peripheria minoris circuli, vel non habeat tot partes, quot
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              habet recta ſuper quam fertur motu maioris circuli; vel cer­
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              tè partes ipſæ, quas habet non ſint æqualis dimenſionis, ſed
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              proculdubio minoris; non videtur quomodo ad contactum
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              partis poſt partem mediantibus punctis, poſſit maior linea,
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              vt eſt recta, ipſi minori, vt eſt circumferentia minoris circuli
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              adæquari, niſi alia via, ac ratione id comprobetur, & oſten­
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              datur. </s>
              <s id="N1657F">
                <expan abbr="Idemq.">Idemque</expan>
              è conuerſo applicari poteſt in contactu pe­
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              ripheriæ maioris circuli cum recta breuiori, quam conficit
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              ad motum minoris circuli ſuper abſidem per ſe lati. </s>
            </p>
            <p id="N16589" type="main">
              <s id="N1658B">Ad diluendam igitur omnino prædictam difficultatem,
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              quæ multorum quippe vexauit ingenia, & pene inſuperabi-</s>
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          </chap>
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      </text>
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