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

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      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.000120">
                <pb pagenum="24" xlink:href="010/01/032.jpg"/>
                <arrow.to.target n="marg24"/>
                <lb/>
              ſus talis eſt, cùm primum cylindrus mercurij CB fer­
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              tur deorsùm transferendo eius centrum H in N, de­
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              nuò comparatur cum alio aquæ cylindro æquali ipſi
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              FG è regione poſito, cuius centrum grauitatis erit
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              punctum O, & tunc denuò creatur noua libra
                <expan abbr="horizõ-talis">horizon­
                  <lb/>
                talis</expan>
              NO ſecta à rectis LP & MQ parallelis ENGO,
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              in P & Q cuius centrum P, quia denuò partes aquæ
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              collaterales ſupernæ & infernæ ſibi ipſis æquilibratæ
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              non adiuuant, neque impediunt duo æqualia corpo­
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              ra mercuriale ex N, & aqueum ex O, quæ ad inuicem
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              comparantur in eadem libra horizontali,
                <expan abbr="cumq;">cumque</expan>
              hæc
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              à parallelis lineis HN, MQ, & IO in eiſdem rationi­
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              bus diuidatur, perductum erit centrum grauitatis prę­
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              dictorum corporum ad punctum Q, vnde patet de­
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              ſcendiſſe per rectam lineam MQ perpendicularem ad
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              horizontem, perdurabitque eius deſcenſus,
                <expan abbr="quouſq;">quouſque</expan>
                <lb/>
              corpus mercuriale CB ad ſitum infimum fiſtulæ DE
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              perducatur, quando nimirum eius grauitatis
                <expan abbr="centrũ">centrum</expan>
                <lb/>
              H præcisè infimum ſitum K fiſtulæ attinget. </s>
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            <p type="margin">
              <s id="s.000121">
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              Cap. 2. de
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              momentis
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              grauium in
                <lb/>
              fluido inna­
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              tantium</s>
            </p>
            <p type="margin">
              <s id="s.000122">
                <margin.target id="marg24"/>
              Cap. 2. de
                <lb/>
              momentis
                <lb/>
              grauium in
                <lb/>
              fluido inna­
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              tantium</s>
            </p>
            <p type="main">
              <s id="s.000123">Nec dicas fictionem eſſe quòd adſit libra horizon­
                <lb/>
              talis directa HI, quæ perpetuò renouetur, nam reue­
                <lb/>
              rà fulciuntur, ſuſtentanturque duo cylindri CB, & G
                <lb/>
              F à plano aquæ ſubiectæ CF quod quidem, mobile eſt,
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              cùm cedat deſcenſui mercurij CB & ſuperficies F
                <lb/>
              eleuetur eodem tempore & pari velocitate circa eius
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              punctum intermedium, igitur prædicta duo corpora
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              BC, & GF dum ambo premunt libram fluidam ſub­
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              iectam ſuis ponderibus, & coguntur moueri ſimùl æ­
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              què velociter contrarijs lationibus neceſſariò libram </s>
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          </chap>
        </body>
      </text>
    </archimedes>
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