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

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.000853">
                <pb pagenum="168" xlink:href="010/01/176.jpg"/>
                <arrow.to.target n="marg215"/>
                <lb/>
              GE ad hoc vt lignum è fundo vaſis aſcendat, quod
                <lb/>
              conſtat hac experientia: Perforetur
                <expan abbr="fundũ">fundum</expan>
              vaſis GC
                <lb/>
              tunc profectò aqua FG, & ei ſuperincumbens FD
                <lb/>
              profluet
                <expan abbr="deſcendẽdo">deſcendendo</expan>
              per
                <expan abbr="apertũ">apertum</expan>
              orificium GC, nec
                <lb/>
              proindè
                <expan abbr="lignũ">lignum</expan>
              GE
                <expan abbr="ſursũ">ſursum</expan>
                <expan abbr="aſcẽdet">aſcendet</expan>
              , ſed neceſsè eſt ob­
                <lb/>
              turato foramine GC, vt aqua fluere, & inſinuari poſ­
                <lb/>
              ſit inter priſmatis baſim BG, & fundum putei, & tune
                <lb/>
              aſcendet lignum, ſi nimirùm concipiatur putei fun­
                <lb/>
              dum magis depreſſum vt eſt MK, & aqua FC proflu­
                <lb/>
                <figure id="id.010.01.176.1.jpg" xlink:href="010/01/176/1.jpg" number="62"/>
                <lb/>
              ens repleuerit ſpatium BMLG ef­
                <lb/>
              ficietur ſipho DKMA cuius vną
                <lb/>
              pars aquea HK grauìor eſt reliqua
                <lb/>
              parte AL, & proindè
                <expan abbr="maiorẽ">maiorem</expan>
              vim
                <lb/>
              compreſſiuam habebit aqua HK,
                <lb/>
              quàm aqua, &
                <expan abbr="lignũ">lignum</expan>
              AL, & prop­
                <lb/>
              terea deprimetur deſcendendo a­
                <lb/>
              qua FGK eleuabiturque motu
                <expan abbr="cõtrario">contrario</expan>
              aqua LB vnà
                <lb/>
              cum ligno incumbente, neceſſariò igitur requiruntur
                <lb/>
              hi duo motus contrarij deſcenſus aquæ grauioris FK,
                <lb/>
              & aſcenſus aquæ LB vt lignum eleuari poſſit. </s>
              <s id="s.000854">Hinc
                <lb/>
              colligitur, quod vis motiua, quæ impellit ligneum̨
                <lb/>
              priſma GE ſursùm eſt profectò grauitas aquæ colla­
                <lb/>
              teralis FC, ſed quatenùs moueri, atque deſcendere
                <lb/>
              poteſt, & præterea quatenus ſursùm impellere va­
                <lb/>
              let aquam BL, & huic impulſui cedere debet minor
                <lb/>
              vis deficientis grauitatis ligni EG, & hæc eſt legiti­
                <lb/>
              ma, & adæquata cauſa, quare lignum à maiori im­
                <lb/>
              pulſu aquæ collateralis prementis ſursùm impelli­
                <lb/>
              tur ab aqua, quæ infra eius baſim inſinuatur. </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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