Borelli, Giovanni Alfonso, De motionibus naturalibus a gravitate pendentibus, 1670

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.000256">
                <pb pagenum="56" xlink:href="010/01/064.jpg"/>
                <arrow.to.target n="marg60"/>
                <lb/>
              KL, LM, MN ſuper
                <expan abbr="terminũ">terminum</expan>
              B. </s>
              <s id="s.000257">Manifeſtum eſt, ag­
                <lb/>
              gregatum ex laminis DH ibidèm retineri indifferen­
                <lb/>
              tia quadam, nec pelli ſursùm, aut deorsùm, firmiter­
                <lb/>
              que in tali ſitu quieſcere, vt nimirùm ſi quis infrą
                <lb/>
              laterem DE manum ſupponeret, minimè ab ipſis
                <expan abbr="cõ-primeretur">com­
                  <lb/>
                primeretur</expan>
              , neque vllam grauitatem perciperet, hoc
                <lb/>
              autem non contingit ex eo, quòd laminę lateritiæ
                <lb/>
              grauitatem amittant, & deorsùm nil comprimant,
                <lb/>
              ſed quia ab æquali vi contraria ſuſtinentur, ac ſursùm
                <lb/>
                <expan abbr="impellũtur">impelluntur</expan>
              à pondere nempè oppoſito IN ſibi æquali
                <lb/>
              in libra AB premente. </s>
              <s id="s.000258">Præterea quælibet lamina in­
                <lb/>
              termedia FE ſimilitèr quieſcit, ſiſtiturque iners, vt
                <lb/>
              neque ſursùm, neque deorsùm moueatur, nequę
                <lb/>
              ſubiectam manum, quæ lateralitèr eam retinere co­
                <lb/>
              naretur vllatenùs comprimit, aut impellit, & hoc
                <lb/>
              efficitur quia lamina
                <lb/>
                <figure id="id.010.01.064.1.jpg" xlink:href="010/01/064/1.jpg" number="25"/>
                <lb/>
              FE comprimitur de­
                <lb/>
              orſum ab incumben­
                <lb/>
              te pondere FH, ſur­
                <lb/>
              sùm verò impellitur
                <lb/>
              à ſubiecta lamina DE non virtute propria, ſed eius,
                <lb/>
              quam exercet contra poſitum pondus IN ſcilicet tan­
                <lb/>
              ta vi, quanta
                <expan abbr="põdus">pondus</expan>
              IN ſuperat pondus DE; ſed quia
                <lb/>
              præterea lamina ipſa FE exercet vim ſui ponderis
                <lb/>
              contra preſſionem contrapoſiti exceſſus KN fit vt vis
                <lb/>
              quæ impellit ſursùm laminam FE æqualis ſit exceſſui
                <lb/>
              ipſius KN ſupra FE, ſcilicet æqualis ſit NL; ſuntque
                <lb/>
              FH, & LN inter ſe æquales; ergo viribus æqualibus
                <lb/>
              FE deprimitur ac ſursùm impellitur. </s>
              <s id="s.000259">E contra lami-</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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