Commandino, Federico, Liber de centro gravitatis solidorum, 1565

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        <body>
          <chap>
            <p type="main">
              <s id="s.000537">
                <pb pagenum="26" xlink:href="023/01/059.jpg"/>
              matis ae axis gh; & priſmatis af axis lh. </s>
              <s id="s.000538">Dico priſma
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              ae ad priſma af eam proportionem habere, quam gh ad
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              h l. ducantur à punctis gl perpendiculares ad baſis pla­
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                <figure id="id.023.01.059.1.jpg" xlink:href="023/01/059/1.jpg" number="52"/>
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              num gK, lm: & iungantur kh,
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              h m. </s>
              <s id="s.000539">Itaque quoniam anguli gh
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              k, lhm ſunt æquales, ſimiliter ut
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              ſupra demonſtrabimus, triangu­
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              la ghK, lhm ſimilia eſſe; & ut g
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              K ad lm, ita gh ad hl. </s>
              <s id="s.000540">habet au
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              tem priſma ae ad priſma af ean
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              dem proportionem, quam altitu
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              do gK ad altitudinem lm, ſicuti
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              demonſtratum eſt. </s>
              <s id="s.000541">ergo & ean­
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              dem habebit, quam gh, ad hl. py
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              ramis igitur abcdg ad pyrami­
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              dem abcdl eandem proportio­
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              nem habebit, quam axis gh ad hl axem.</s>
            </p>
            <figure id="id.023.01.059.2.jpg" xlink:href="023/01/059/2.jpg" number="53"/>
            <p type="main">
              <s id="s.000542">Denique ſint priſmata ae, ko in æqualibus baſibus ab
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              cd, klmn conſtituta; quorum axes cum baſibus æquales
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              faciant angulos:
                <expan abbr="ſitq;">ſitque</expan>
              priſmatis ae axis fg, & altitudo fh:
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              priſmatis autem ko axis pq, & altitudo pr. </s>
              <s id="s.000543">Dico priſma
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              ae ad priſma ko ita eſſe, ut fg ad pq. </s>
              <s id="s.000544">iunctis enim gh, </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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