Stevin, Simon, Mathematicorum hypomnematum... : T. 4: De Statica : cum appendice et additamentis, 1605

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        <div xml:id="echoid-div364" type="section" level="1" n="259">
          <pb o="77" file="527.01.077" n="77" rhead="*DE* S*TATIGÆ PRINGIPIIS*."/>
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        <div xml:id="echoid-div365" type="section" level="1" n="260">
          <head xml:id="echoid-head275" xml:space="preserve">CONSTRVCTIO.</head>
          <p>
            <s xml:id="echoid-s2549" xml:space="preserve">Conoïdale curtum abſolvito, addito ſegmento A B G; </s>
            <s xml:id="echoid-s2550" xml:space="preserve">deinde ſtatuatur GH
              <lb/>
            dupla ipſius H E, item G I ipſius I F; </s>
            <s xml:id="echoid-s2551" xml:space="preserve">denique fiat ut conoïdale curtũ A B C D,
              <lb/>
            ad complementum A B G ſic H I ad I K; </s>
            <s xml:id="echoid-s2552" xml:space="preserve">Ajo K gravitatis cupitum eſſe cen-
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            trum.</s>
            <s xml:id="echoid-s2553" xml:space="preserve"/>
          </p>
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        <div xml:id="echoid-div366" type="section" level="1" n="261">
          <head xml:id="echoid-head276" xml:space="preserve">DEMONSTRATIO.</head>
          <figure number="124">
            <image file="527.01.077-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/527.01.077-01"/>
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          <p>
            <s xml:id="echoid-s2554" xml:space="preserve">Etenim I eſt centrum gravitatis totius
              <lb/>
            D C G, & </s>
            <s xml:id="echoid-s2555" xml:space="preserve">H ſegmenti A B G: </s>
            <s xml:id="echoid-s2556" xml:space="preserve">verum ut
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            reliquum ſegmentum A B C D, ad comple-
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            mentum A B G ſic H I ad I K; </s>
            <s xml:id="echoid-s2557" xml:space="preserve">ideo K per
              <lb/>
            19 propoſ. </s>
            <s xml:id="echoid-s2558" xml:space="preserve">optatum erit centrum, Quod de-
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            monſtraſſe oportuit.</s>
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          <p>
            <s xml:id="echoid-s2560" xml:space="preserve">C*ONCLVSIO*. </s>
            <s xml:id="echoid-s2561" xml:space="preserve">Itaque curti conoïdalis centrum invenimus.</s>
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        <div xml:id="echoid-div367" type="section" level="1" n="262">
          <head xml:id="echoid-head277" style="it" xml:space="preserve">Atque hic Liber ſecundus nobis explicitus esto.</head>
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