Guevara, Giovanni di, In Aristotelis mechanicas commentarii, 1627

Table of figures

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            <p id="N12815" type="main">
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              amplius
                <expan abbr="diſtantiã">diſtantiam</expan>
              GF, eo quod in F ipſa linea DE bifariam
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              diuiſa ſit,
                <expan abbr="proindeq.">proindeque</expan>
              latus GD ſit minus dimidio, ad quod
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              deeſt ſpatium GF. Ex. hoc inquam fit, vt alterum latus
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              eiuſdem anguli E ſit etiam maius altero latere ęqualis an­
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              guli D, nempe vt AE, maius ſit quàm BD. </s>
              <s id="N128AA">Iam ergo
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              per longiorem perpendicularem ſuperior lanx, quàm infe­
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              rior à cathectu diſtabit, quod erat demonſtrandum, vt hanc
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              magis quam illam in eo ſitu grauitare aſſeramus. </s>
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            <p id="N128B3" type="main">
              <s id="N128B5">Vnum tandem hic ſupereſt explicandum, de quo non
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              meminit Ariſtoteles; Cur nimirum ſi axis non conſtituatur
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              ſupra, nec infra, ſed prorſus in puncto medio longitudinis,
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              ac magnitudinis iugi, vt in puncto A propoſitę librę BC
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              in æquilibrio conſtitutę; & alterum extremum illius manu,
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              vel pondere deorſum trahatur, ablato pondere, vel ceſſante
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              detentione, rurſus ad ęquilibrium ipſa libra non reuertatur,
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              ſed maneat quomodocumque relinquatur. </s>
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            <p id="N128C6" type="main">
              <s id="N128C8">Id quod ex eo prouenire comperiemus, quoniam in hu­
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              iuſmodi conſtitutione librę, centrum grauitatis coincidit
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              cum centro circumuolutionis, ſeu axis ipſius librę,
                <expan abbr="proin-deq.">proin­
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                deque</expan>
              habere non poteſt, quo declinet, aut vergat etiam ſi
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              libra quomodolibet ſituetur, aut moueatur, ſed manebit
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                <figure id="id.005.01.092.1.jpg" xlink:href="005/01/092/1.jpg" number="28"/>
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              ſemper in illo
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              tanquam in ſuo
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              fulcimento, à
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              quo ſuſtentatur.
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              </s>
              <s id="N128E6">Idem enim
                <expan abbr="pũ-ctum">pun­
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                ctum</expan>
              A eſt cen­
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              trum grauitatis
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              cum ſit in me­
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              dio iugi BC, &
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              eſt
                <expan abbr="cẽtrum">centrum</expan>
              axis
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              ex conſtructio­
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              nis ſuppoſitio­
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              ne. </s>
              <s id="N12901">Quare ſi in
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              illo iugum diui­
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              datur per lineam perpendicularem DE, in quo cumque ſi-</s>
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