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

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        <body>
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            <p type="main">
              <s id="s.000511">
                <pb pagenum="104" xlink:href="010/01/112.jpg"/>
                <arrow.to.target n="marg124"/>
                <lb/>
                <figure id="id.010.01.112.1.jpg" xlink:href="010/01/112/1.jpg" number="42"/>
                <lb/>
              vt terminus eius A deſcendat
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              deorsùm percurrendo arcum
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              AI neceſsè eſt vt eius oppoſi­
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              tus terminus B motu contrario
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              ſursùm aſcendat percurrendo
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              arcum BH æqualem contrapo­
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              ſito AI. </s>
              <s id="s.000512">Et
                <expan abbr="quotieſcumq;">quotieſcumque</expan>
              præ­
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              dicti motus
                <expan abbr="cõtrarij">contrarij</expan>
              ſimul fie­
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              ri nequeunt, tunc neceſsè eſt
                <lb/>
              vt libra, vel rota quieſcatiņ
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              eodem ſitu, nec agitetur. </s>
            </p>
            <p type="margin">
              <s id="s.000513">
                <margin.target id="marg124"/>
              Cap. 4. poſi­
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              tiuam leui­
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              tatem noņ
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              dari.</s>
            </p>
            <p type="main">
              <s id="s.000514">
                <emph type="center"/>
              PROP. XLVI.
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              </s>
            </p>
            <p type="main">
              <s id="s.000515">
                <emph type="center"/>
                <emph type="italics"/>
              Si eidem libræ termino applicentur potentiæ ad oppoſitas
                <lb/>
              partes
                <expan abbr="trahẽtes">trahentes</expan>
              mutuo
                <expan abbr="ſeimpediẽt">ſeimpedient</expan>
              , & potentia maior
                <lb/>
              præualebit, libram
                <expan abbr="flectẽdo">flectendo</expan>
              vi æquali dif­
                <lb/>
              ferentiæ potentiarum.
                <emph.end type="italics"/>
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.000516">APponatur poſtea pondus DE termino libræ A;
                <lb/>
              hoc profectò vim efficit, conaturque traherę
                <lb/>
              terminum libræ A per directionem AD versùs cen­
                <lb/>
              trum telluris, at quia ſemidiameter AC in
                <expan abbr="cẽtro">centro</expan>
              librę
                <lb/>
              figitur immobiliter, hinc conſequetur reuolutio librę
                <lb/>
              fereturque terminus A non per lineam rectam AD,
                <lb/>
              ſed per arcum AI excurrendo integrum
                <expan abbr="quadrantẽ">quadrantem</expan>
              ,
                <lb/>
              & quia libra AB ſupponitur continua, & rigida
                <expan abbr="eodẽ">eodem</expan>
                <lb/>
              tempore quo terminus A arcum AI pertranſit oppo­
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              ſitus eius terminus B deſcribet contrapoſitum arcum
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              BH. </s>
              <s id="s.000517">Modò motum eiuſdem libræ, & deſcenſum pon-</s>
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          </chap>
        </body>
      </text>
    </archimedes>
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