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

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.000359">
                <pb pagenum="76" xlink:href="010/01/084.jpg"/>
                <arrow.to.target n="marg83"/>
                <lb/>
                <figure id="id.010.01.084.1.jpg" xlink:href="010/01/084/1.jpg"/>
                <lb/>
              cidit præcisè in recta linea MI
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              perpendiculari ad horizontem,
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              quæ per centrum ſuſpenſionis
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              ducitur. </s>
              <s id="s.000360">Modò agitetur aqua va­
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              ſis, vt nimirùm pars EF deſcen­
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              dat, pars verò KG, ſursùm ten­
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              dat, & hoc per aliquod tempus
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              perſeueret continuatis reuolu­
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              tionibus, dummodò planities libellæ, AD non alte­
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              retur; frigitur verum eſt in tali caſu, quòd grauitas
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              aſcendentis aquæ KG deſtruitur quatenus à virtute
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              impulſiua proiectitia ſursùm impellitur, & è contrà
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              ſi grauitas, & impetus aquæ deſcendentis EF dupli­
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              catur, quia eius ponderi ſuperadditur vis proiectiuą
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              deorsùm, igitur medietas vaſis MAB, aut leuis effi­
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              cietur, aut valdè eius grauitas priſtina imminutą
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              erit, & è contrà reliqua vaſis medietas MDC
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              duplò grauior facta erit, proindeque terminus
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              libræ L deprimetur, eleuabiturque oppoſitus ter­
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              minus libræ H, quod tamen falſum eſt, igitur quo­
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              modocumque aqua agitetur, dum in ipſamet aqua, &
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              in proprio loco continetur, neque amittit ob aſcen­
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              ſum, nec acquirit ob deſcenſum nouam grauitatem̨. </s>
            </p>
            <p type="margin">
              <s id="s.000361">
                <margin.target id="marg83"/>
              Cap. 3. flui­
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              dum in ſuo
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              toto quie­
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              ſcens pon­
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              derat.</s>
            </p>
            <p type="main">
              <s id="s.000362">Sed faciliùs hoc experieris, ſi intra vas ABCD in­
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              ſeratur rota EGKF perpendicularitèr horizonti ere­
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              cta, & parietibus oppoſitis vaſis infixo axe eius iņ
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              M vt facilè rota conuerti poſſit. </s>
              <s id="s.000363">Et ſiquidem centrum
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              grauitatis totius aggregati cadit in recta lineą
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              IM perpendiculari ad horizontem, tunc ſiue rotą </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>