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

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.000242">
                <pb pagenum="53" xlink:href="010/01/061.jpg"/>
                <arrow.to.target n="marg56"/>
                <lb/>
              habebant; ſed hinc non licet inferre, ſupremam la­
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              nam dum mouetur grauitatem exercere, quia illą
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              conſtipatio non dependet ab actione grauitatis in­
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              cumbentis lanæ quæ actio perſeueret exerceaturque
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              tempore deſcenſus, ſed illa conſtipatio eſt effectus
                <lb/>
              compreſſionis in præcedenti quiete factæ, in actu e­
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              nim deſcenſus nullo pacto impellere poteſt ſuprema
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              lana ſubiectam pani velocitate ictum fugientem, &
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              ideo ſuper eam minimè pondus exercebit. </s>
            </p>
            <p type="margin">
              <s id="s.000243">
                <margin.target id="marg56"/>
              Cap. 3. flui­
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              dum in ſuo
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              toto quie­
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              ſcens ponde­
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              rat.</s>
            </p>
            <p type="main">
              <s id="s.000244">
                <emph type="center"/>
              PROP. XXI.
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.000245">
                <emph type="center"/>
                <emph type="italics"/>
              Aqua deſcendens per aerem, nullam grauitatem habet, &
                <lb/>
              ſolummodò eam exercet, quando quieſcit ſuper
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              aquam.
                <emph.end type="italics"/>
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.000246">SImili modo aqua non deſcendit, quando fulci­
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              tur à ſuperficie terræ, & maris, ſed quando
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              extra ſuum locum peregrinatur, & mouetur, vt iņ
                <lb/>
              aere, & tunc ſi conſideretur cylindrus aqueus per ae­
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              rem deſcendens, diuidaturque in partes æquales à
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              planis horizonti æquidiſtantibus; quia partes æqua­
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              les eiuſdem aquæ ſunt æquè graues, habent impe­
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              tus æquales à natura ſibi aſſignatos quibus deſcen­
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              dere deorſum nituntur, igitur pars ſuprema eiuſdem
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              cylindri aquei æquè velox erit, ac pars ei ſubiecta,
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              igitur ſuprema non poterit impellere, vel compri­
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              mere aquam ei ſubiectam, cùm æquali velocitatę
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              hęc ictum, & percuſſionem fugiat cum quanta à ſu­
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              perincumbente inſectatur perſequiturque, ſicuti </s>
            </p>
          </chap>
        </body>
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