Baliani, Giovanni Battista, De motv natvrali gravivm solidorvm et liqvidorvm

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    <archimedes>
      <text>
        <body>
          <chap>
            <pb xlink:href="064/01/046.jpg"/>
            <subchap1 n="25" type="proposition">
              <p type="head">
                <s id="s.000322">PROPOSITIO XXV.</s>
              </p>
              <subchap2 n="25" type="statement">
                <p type="main">
                  <s id="s.000323">In circulo Orthogonaliter erecto, si a sum­
                    <lb/>
                  mitate ad puncta peripheriae ducantur pla­
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                  na, quo tempore grave perpendiculariter
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                  inde pervenit ad planum orizontale; si de­
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                  scendat per dicta plana, eodem perveniet
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                  respective ad quodlibet dictorum puncto­
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                  rum peripheriae.
                    <figure id="id.064.01.046.1.jpg" xlink:href="064/01/046/1.jpg" number="26"/>
                  </s>
                </p>
              </subchap2>
              <subchap2 n="26" type="proof">
                <p type="main">
                  <s id="s.000324">Sit circulus cuius centrum B, & diameter AC
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                  erectus super plano orizontali GC, & in eo
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                  ducta sint plana declinantia a puncto A ad
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                  puncta peripheriae DEF, & descendant gravia
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                  super dicta plana, & perpendiculariter.</s>
                </p>
                <p type="main">
                  <s id="s.000325">Dico quod eodem tempore pervenient ad, D, E, F, C.</s>
                </p>
                <p type="main">
                  <s id="s.000326">Ducantur DC, EC, FC.</s>
                </p>
                <p type="main">
                  <s id="s.000327">Quoniam puncta praedicta sunt ea, in quae cadunt
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                  perpendicularia ducta a puncto C in AD, AE,
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                  AF
                    <arrow.to.target n="marg78"/>
                  , eo perveniunt gravia eodem tempore
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                  quo in C
                    <arrow.to.target n="marg79"/>
                  . </s>
                  <s id="s.000328">Quod probandum fuit.</s>
                </p>
                <p type="margin">
                  <s id="s.000329">
                    <margin.target id="marg78"/>
                  Per 30. Tertij.</s>
                </p>
                <p type="margin">
                  <s id="s.000330">
                    <margin.target id="marg79"/>
                  Per 16. huius.</s>
                </p>
              </subchap2>
            </subchap1>
          </chap>
        </body>
      </text>
    </archimedes>
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