Guevara, Giovanni di, In Aristotelis mechanicas commentarii, 1627

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          <chap id="N10019">
            <p id="N17120" type="main">
              <s id="N17122">
                <pb pagenum="241" xlink:href="005/01/249.jpg"/>
              dens ex AB: geſtantes itidem ſint AG, & BH, ſtatura
                <lb/>
              quidem pares, ſed per accliue GH aſcendentes. </s>
              <s id="N17132">Demitta­
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              tur autem perpendicularis ad planum horizontis per ipſum
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              centrum grauitatis F, quæ ſit linea IFK ſecans in I ipſam
                <lb/>
              AB. </s>
              <s id="N1713C">Grauitabit igitur centrum F in ipſo puncto I, in
                <lb/>
                <expan abbr="eoq.">eoque</expan>
              vices fulcimenti exercebit, vt explicatum eſt. </s>
              <s id="N17144">At pun­
                <lb/>
              ctum I propinquius eſt ipſi B, quàm ipſi A, cùm ſit inter
                <lb/>
              C & B;
                <expan abbr="proindeq.">proindeque</expan>
              pars AI ſit pluſquam dimidium vectis
                <lb/>
              IB verò minus. </s>
              <s id="N17151">Ergo geſtans in B, magis grauabitur, quàm
                <lb/>
              qui in A. </s>
              <s id="N17157">Modò ſupponamus idem pondus ſuper eundem
                <lb/>
              vectem collocari vbi LM;
                <expan abbr="eiusq.">eiusque</expan>
              grauitatis centrum in N, à
                <lb/>
              quo demittatur perpendicularis horizonti NO;
                <expan abbr="punctumq.">punctumque</expan>
                <lb/>
              in quo ſecuerit rectam AB, ſignetur P. </s>
              <s id="N17169">His itaque ſic ſta­
                <lb/>
              bilitis, centrum N grauitabit in P;
                <expan abbr="eritq.">eritque</expan>
              AP minor quàm
                <lb/>
              PB,
                <expan abbr="ideoq.">ideoque</expan>
              baiulus portans in A, tanquam fulcimento vi­
                <lb/>
              cinior, grauabitur magis, quàm ſuſtinens in ipſo B, ratione
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              ſuperius explicata. </s>
              <s id="N1717C">Quod exactius demonſtraſſe moleſtum,
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              ac in utile fore exiſtimauimus. </s>
            </p>
            <p id="N17181" type="head">
              <s id="N17183">Quæſtio Trigeſima.</s>
            </p>
            <p id="N17186" type="main">
              <s id="N17188">C
                <emph type="italics"/>
              vr ſurgentes omnes femori eius ad acutum
                <lb/>
              conſtituentes angulum, & thoraci ſimiliter fe­
                <lb/>
              mur ſurgunt? </s>
              <s id="N17192">quod ſi non, haudquaquam ſur­
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              gere poterunt. </s>
              <s id="N17197">An quia id quod æquale eſt, quie­
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              tis
                <expan abbr="vbiq.">vbique</expan>
              eſt cauſa: rectus autem angulus æqua­
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              litatis eſt,
                <expan abbr="ſtationemq.">ſtationemque</expan>
              facit, quamobrem ad ſi­
                <lb/>
              miles fertur angulos ipſi terræ circumferentiæ,
                <lb/>
              non enim quod ad rectum est ipſi pauimento. </s>
              <s id="N171AA">An quoniam ſur­
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              gens ſit rectus, ſtantem verò neceſſe eſt perpendiculum eſſe ad
                <lb/>
              terram. </s>
              <s id="N171B1">Siquidem igitur ad rectum debet eſſe, hoc autem eſt ca­
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              put ſecundum pedes habere, & fieri oportet cum ſurgit. </s>
              <s id="N171B6">Quan­
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              doquidem igitur fuerit ſedens, ſecundum paralellam pedes
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              habet & caput, & non inæquali. </s>
              <s id="N171BD">Caput ſit A, thorax AB, ſe­
                <lb/>
              mur BC, crura CD. </s>
              <s id="N171C3">Ad rectum autem fit & thorax vbi AB
                <lb/>
              ipſi femori, & cruri femur, ſic ſedente. </s>
              <s id="N171C8">Quamobrem eo ſe
                <lb/>
              habentem modo ſurgere est impoſsibile. </s>
              <s id="N171CD">Neceſſe autem est crus
                <lb/>
                <expan abbr="rēelinare">rem elinare</expan>
              ,
                <expan abbr="pedesq.">pedesque</expan>
              conſtituere ſub capite, hoc autem erit, ſi
                <emph.end type="italics"/>
              </s>
            </p>
          </chap>
        </body>
      </text>
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