Guevara, Giovanni di, In Aristotelis mechanicas commentarii, 1627
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              tur admiſti. </s>
              <s id="N14C4C">De ijs igitur hic loquens Ariſtoteles, quærit,
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              qua de cauſa rotundam potius quam aliam figuram per at­
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              tritionem ac perpetuam illam agitationem adipiſcantur,
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              cum frequentius ex lapidibus, ac fragmentis alterius figuræ
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              efficiantur. </s>
              <s id="N14C57">Quod enim ſecundum omnes ſui partes paula­
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              tim conteritur, ac minuitur, vniformiter difformiter contun­
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              di debet, ac ſenſim attenuari, eadem partium proportione
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              ſeruata,
                <expan abbr="eademq.">eademque</expan>
              proinde figura. </s>
              <s id="N14C64">Non igitur ſatis apparet
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              cur ex tot tanquam ex diuerſis figuris teſtarum oſtreorum
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                <expan abbr="concarumq.">concarumque</expan>
              ac lapidum angularium non niſi rotundam, &
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              orbicularem formam eorum reliquiæ videantur ſeruare,
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                <expan abbr="eiuſdemq.">eiuſdemque</expan>
              figuræ penè omnes euadant cuius non erant. </s>
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              <s id="N14C77">Huic autem quæſtioni Ariſtoteles reſpondet, partes, quæ
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              magis à centro, ſeu puncto medio circumlati corporis rece­
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              dunt, cum celerius in eius circumuolutione ferantur (maius
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              videlicet in æquali tempore ſpatium in rotatione conficien­
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              do) vehementius impetere,
                <expan abbr="vicinaq.">vicinaque</expan>
              corpora rotando per­
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              cutere, quàm partes centro propinquiores; velocitas enim
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              auget impulſum: Quæ autem partes
                <expan abbr="vehemẽtius">vehementius</expan>
              impetunt,
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              atque impingunt, ſi fragiles in ſe ſint, facilius etiam refran­
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              guntur. </s>
              <s id="N14C92">Cum igitur prominentiores partes crocearum ſint
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              huiuſmodi, vt celerius in ſuos orbes ruant, vehementiuſque
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              propterea illidant, ſequitur facilius ipſas contundi,
                <expan abbr="ſolumq.">ſolumque</expan>
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              propterea relinqui partes à centro æquidiſtantes, ex quibus
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              reſultat orbicularis, ac rotunda figura, quam in ipſis croceis
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              communiter cernimus. </s>
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              <s id="N14CA5">Quod ſi ex hoc Ariſtotelis diſcurſu ſequatur maiores
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              croceas rotundiores fieri, quàm minores propter maiorem
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              à centro diſtantiam, qua in rotatione prominentes partes
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              facilius contunduntur; id certè ab experientia non eſt om­
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              nino alienum, vt Baldus arbitratur; ſicut nec ipſas croceas
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              circa centrum conuerti, quamuis alijs, ac diuerſis etiam mo­
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              tionibus agitentur. </s>
              <s id="N14CB4">Si enim in pluribus littoribus attentius
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              obſeruaſſet, vidiſſet vtique fluctuum iactatione fluxu, ac re­
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              fluxu, non modo glareas, paruoſque lapillos circa centrum
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              omnino conuolui, ſed etiam maiores vmbilicos, & non me­</s>
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