Guevara, Giovanni di, In Aristotelis mechanicas commentarii, 1627

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          <chap id="N10019">
            <p id="N12790" type="main">
              <s id="N12792">
                <pb pagenum="82" xlink:href="005/01/090.jpg"/>
              illius ad depreſſionem alterius,
                <expan abbr="cauſaq.">cauſaque</expan>
              depreſſionis remo­
                <lb/>
              ueatur, ſtatim pars illa eleuata præcipiti curſu deſcendat,
                <lb/>
                <expan abbr="redeatq.">redeatque</expan>
              in priſtinum locum. </s>
              <s id="N127A9">Siquidem exceſſus ille partis
                <lb/>
              eleuatæ, quem ex Ariſtotele explicuimus,
                <expan abbr="rurſumq.">rurſumque</expan>
              ratio
                <lb/>
              centri grauitatis prædicta non videntur ſufficere, nec tanti
                <lb/>
              eſſe momenti, vt
                <expan abbr="tantã">tantam</expan>
              motionem
                <expan abbr="tamquã">tamquam</expan>
              præcipitem de­
                <lb/>
              ſcenſum cauſare præualeant. </s>
              <s id="N127C0">Cum & centrum grauitatis
                <lb/>
              parum, aut imperceptibiliter remoueatur à linea illa ca­
                <lb/>
              dente ab axe ad centrum mundi; & exceſſus partis eleuatæ
                <lb/>
              non modo paruus ſit, ſed paruum etiam ab eadem linea di­
                <lb/>
              ſtet vbi minus præponderantia experitur. </s>
              <s id="N127CB">Etenim ſi huiuſ­
                <lb/>
              modi exceſſus appenderetur tanquam onus in libra, quæ in
                <lb/>
              æquilibrio ſit conſtituta, ac prope axem in ſimili ſitu, ac eſt
                <lb/>
              ille, quem in caſu noſtro retinet, abſque dubio parum, aut
                <lb/>
              nihil præponderaret brachium in quo appenderetur. </s>
            </p>
            <p id="N127D6" type="main">
              <s id="N127D8">Dicendum ergo eſt vltra cauſas prædictas præcipuè de­
                <lb/>
              ſcenſionem illam cauſari à maiori grauitate, quam eleuatæ,
                <lb/>
              ac pondus lancis ab illo pendentis obtinere videtur in eo
                <lb/>
              loco. </s>
              <s id="N127E1">Nam licet in æquilibrio lances conſtitutæ, ſupponan­
                <lb/>
              tur in grauitate æquales: non tamen in quocumque ſitu, &
                <lb/>
              poſitione, æque poſſunt grauitare. </s>
              <s id="N127E8">Quodlibet enim libran­
                <lb/>
              dum pondus alias inuariatum, quantò magis elongatur à li­
                <lb/>
              nea perpendiculari, quæ per punctum axis inſtrumenti ca­
                <lb/>
              dit ad centrum terræ (quam lineam Geometrici vocant ca­
                <lb/>
              thectum) tanto magis grauitat, vt cernere eſt in ſtatera,
                <lb/>
              vel in alio ſimili ad ponderandum apto inſtrumento. </s>
              <s id="N127F5">Non
                <lb/>
              quia ratione ſitus re vera maiorem, aut minorem grauita­
                <lb/>
              tem acquirat, ſed quia magis, vel minus ſuſtinetur ab in­
                <lb/>
              ſtrumento in illo ſitu iuxta maiorem, aut minorem propin­
                <lb/>
              quitatem, quam ſitus habet cum linea explicata, vt Guido
                <lb/>
              Vbaldus animaduertit, tractatu de Libra, prop. 4. ante med.
                <lb/>
              </s>
              <s id="N12803">Cum igitur pondus ſuperioris lancis in eo loco magis diſtet
                <lb/>
              aliena perpendiculari prædicta, quàm pondus inferioris, ſe­
                <lb/>
              quitur magis grauitare ſuperiorem lancem, quàm grauitet
                <lb/>
              inferior, atque adeo hæc ab illa tanquam ab inæquali pro­
                <lb/>
              portione virtutis moueri, & ſurſum ferri vſquequo ad æqua-</s>
            </p>
          </chap>
        </body>
      </text>
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