Stevin, Simon, Mathematicorum hypomnematum... : T. 4: De Statica : cum appendice et additamentis, 1605
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          <pb o="83" file="527.01.083" n="83" rhead="I PROPOSITIO."/>
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            <s xml:id="echoid-s2593" xml:space="preserve">Dati cujuſcunque corporis planum diametrale, diame-
              <unsure/>
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            trum perpendicularem & </s>
            <s xml:id="echoid-s2594" xml:space="preserve">centrum pragmaticè invenire.</s>
            <s xml:id="echoid-s2595" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div370" type="section" level="1" n="265">
          <head xml:id="echoid-head280" xml:space="preserve">1 Exemplum.</head>
          <p>
            <s xml:id="echoid-s2596" xml:space="preserve">D*ATVM*. </s>
            <s xml:id="echoid-s2597" xml:space="preserve">A B corpus figurâ qualicunque.</s>
            <s xml:id="echoid-s2598" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2599" xml:space="preserve">Q*VAESITVM*. </s>
            <s xml:id="echoid-s2600" xml:space="preserve">Planum diametrale, diametrum perpendicularem, cen-
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            trum denique mechanicè anquirere.</s>
            <s xml:id="echoid-s2601" xml:space="preserve"/>
          </p>
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        <div xml:id="echoid-div371" type="section" level="1" n="266">
          <head xml:id="echoid-head281" xml:space="preserve">CONSTRVCTIO.</head>
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            <s xml:id="echoid-s2602" xml:space="preserve">Solidum datum ſuſpendatur è fune CD, acta deinde recta EF per ſum-
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            mum punctum C, ab utroque ejus termino perpendiculares E G, F H è plum-
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            bo & </s>
            <s xml:id="echoid-s2603" xml:space="preserve">filo ſuſpendantur, quæ corpus ipſum A B proximè ſtringant, planum
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              <figure xlink:label="fig-527.01.083-01" xlink:href="fig-527.01.083-01a" number="125">
                <image file="527.01.083-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/527.01.083-01"/>
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            inter parallelas E G, F H comprehenſum, ſiſolidum ſecare intelligatur, dati
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            corporis diametrale planum erit, verùm ut ipſæ lineæ in ſolidi ſuperficie inſcri-
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            bantur, fila tenſa & </s>
            <s xml:id="echoid-s2604" xml:space="preserve">creta infecta impreſſionem faciant uti à materiariis fabris
              <lb/>
            fieri confuevit, illæ igitur ſunto I K, L M quæ connexæ optatum LIK M pla-
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            num continuebunt.</s>
            <s xml:id="echoid-s2605" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2606" xml:space="preserve">Sed ad diametri perpendicularis inventionem corpus ex eadem recta C D
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            dependens pauxillum convertito & </s>
            <s xml:id="echoid-s2607" xml:space="preserve">ſimile aliud diametrale planum delineato,
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            à quo prius infra in N ſupra autem in D interſecetur, recta D N, ipſorum com-
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            munis fectio, erit perpendicularis gravitatis diameter. </s>
            <s xml:id="echoid-s2608" xml:space="preserve">Denique ad centri inve-
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            ſtigationem corpus tranſverſim alicunde ex O ſuſpenſum exhibeat alteram
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            perpendicularem diametrum O P, quæ priorem incîdatin Q, idipſum gra-
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            vitatis erit centrum.</s>
            <s xml:id="echoid-s2609" xml:space="preserve"/>
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