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

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          <pb o="133" file="527.01.133" n="133" rhead="*DE* H*YDROSTATICES ELEMENTIS*."/>
        </div>
        <div xml:id="echoid-div553" type="section" level="1" n="399">
          <head xml:id="echoid-head416" xml:space="preserve">2 Exemplum.</head>
          <p>
            <s xml:id="echoid-s3923" xml:space="preserve">D*ATUM*. </s>
            <s xml:id="echoid-s3924" xml:space="preserve">Parallelogrammum obliquangulum
              <lb/>
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                <image file="527.01.133-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/527.01.133-01"/>
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            A B C D horizonti perpendiculare, huic moles aquea
              <lb/>
            ponderis 18 pedum incumbit, ejusq́ue ſummi lateris
              <lb/>
            A B in aquæ extima ſuperficie longitudo ignoratur; </s>
            <s xml:id="echoid-s3925" xml:space="preserve">at-
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            qui perpendicularis A E in baſin imam D C datur
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            pedum. </s>
            <s xml:id="echoid-s3926" xml:space="preserve">Q*VAESITVM*. </s>
            <s xml:id="echoid-s3927" xml:space="preserve">Invenire latus A B.</s>
            <s xml:id="echoid-s3928" xml:space="preserve"/>
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        <div xml:id="echoid-div555" type="section" level="1" n="400">
          <head xml:id="echoid-head417" xml:space="preserve">CONSTRVCTIO.</head>
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            <s xml:id="echoid-s3929" xml:space="preserve">18 per quadratum A E 3 diviſis, quotique 2 duplum erit 4 pro A B.</s>
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        <div xml:id="echoid-div556" type="section" level="1" n="401">
          <head xml:id="echoid-head418" xml:space="preserve">3 Exemplum.</head>
          <p>
            <s xml:id="echoid-s3931" xml:space="preserve">D*ATVM*. </s>
            <s xml:id="echoid-s3932" xml:space="preserve">Rectangulum parallelogrammum
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            A B C D horizonti obliquum, cui inſidet moles
              <lb/>
            aquea pondere pedum 36, ejusq́ue latus ſupremum
              <lb/>
            in aquæ ſuperficie ſumma longitudinis ſit ignotæ
              <lb/>
            ſed latus A D 4, & </s>
            <s xml:id="echoid-s3933" xml:space="preserve">perpendicularis A E à ſummo
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            latere in planum per latus imum horizonti paralle-
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            lum, 3 pedum dantur.</s>
            <s xml:id="echoid-s3934" xml:space="preserve"/>
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          <p>
            <s xml:id="echoid-s3935" xml:space="preserve">Q*VAESITVM*. </s>
            <s xml:id="echoid-s3936" xml:space="preserve">Invenire latus A B.</s>
            <s xml:id="echoid-s3937" xml:space="preserve"/>
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        <div xml:id="echoid-div558" type="section" level="1" n="402">
          <head xml:id="echoid-head419" xml:space="preserve">CONSTRVCTIO.</head>
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            <s xml:id="echoid-s3938" xml:space="preserve">Planus ab A E 3 in A D 4 eſt 12, per quem diviſis 36 quotoque 3 duplicato
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            ſit A B pedum 6.</s>
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        <div xml:id="echoid-div559" type="section" level="1" n="403">
          <head xml:id="echoid-head420" xml:space="preserve">4 Exemplum.</head>
          <p>
            <s xml:id="echoid-s3940" xml:space="preserve">D*ATVM*. </s>
            <s xml:id="echoid-s3941" xml:space="preserve">A B C D parallelogrammum obli-
              <lb/>
              <figure xlink:label="fig-527.01.133-03" xlink:href="fig-527.01.133-03a" number="190">
                <image file="527.01.133-03" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/527.01.133-03"/>
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            quangulum ad horizontem obliquatum, cui inſi-
              <lb/>
            det moles aquea ponderis 36 pedum, ejusq́ue ſu-
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            premum latus A B in aquæ ſumma ſuperficie, lon.
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            </s>
            <s xml:id="echoid-s3942" xml:space="preserve">gitudinis ſit ignotæ; </s>
            <s xml:id="echoid-s3943" xml:space="preserve">ſed A E perpendicularis à
              <lb/>
            ſummo latere in imum pedum 4, & </s>
            <s xml:id="echoid-s3944" xml:space="preserve">altera indidem
              <lb/>
            in planum per imum latus horizonti parallelum
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            ſit pedum 3.</s>
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          <p>
            <s xml:id="echoid-s3946" xml:space="preserve">Q*VAESITVM*. </s>
            <s xml:id="echoid-s3947" xml:space="preserve">Invenire latus A B.</s>
            <s xml:id="echoid-s3948" xml:space="preserve"/>
          </p>
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        <div xml:id="echoid-div561" type="section" level="1" n="404">
          <head xml:id="echoid-head421" xml:space="preserve">CONSTRVCTIO.</head>
          <p>
            <s xml:id="echoid-s3949" xml:space="preserve">Planus ab A F 3 in A E 4 eſt 12, qui dividens 36, dabit quotum 3, isq́ue
              <lb/>
            duplicatus facit A B 6 pedum.</s>
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          </p>
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        <div xml:id="echoid-div562" type="section" level="1" n="405">
          <head xml:id="echoid-head422" xml:space="preserve">DEMONSTRATIO.</head>
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            <s xml:id="echoid-s3951" xml:space="preserve">Si in primo exemplo latus A B majus minusvé eſſet 4 pedibus, pondus item
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            aqueum ipſi inſidens majus minusvé eſſet pedibus 18, quod theſi repugnat.
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            </s>
            <s xml:id="echoid-s3952" xml:space="preserve">quare A B eſt pedum 4. </s>
            <s xml:id="echoid-s3953" xml:space="preserve">REliquorum exemplorum demonſtratio huic eſt ger-
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            mana. </s>
            <s xml:id="echoid-s3954" xml:space="preserve">C*ONCLVSIO*. </s>
            <s xml:id="echoid-s3955" xml:space="preserve">Itaque ſi parallelogrammi ad horizontem incli-
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            nati, & </s>
            <s xml:id="echoid-s3956" xml:space="preserve">c.</s>
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