Stevin, Simon, Mathematicorum hypomnematum... : T. 4: De Statica : cum appendice et additamentis, 1605
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          <pb o="91" file="527.01.091" n="91" rhead="*DE* S*TATICÆ PRAXI.*"/>
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        <div xml:id="echoid-div393" type="section" level="1" n="283">
          <head xml:id="echoid-head298" xml:space="preserve">1 Exemplum@.</head>
          <p>
            <s xml:id="echoid-s2780" xml:space="preserve">Eſto agger A, B C ſuſtentamentum ligneum, cui D navis pondere 24000 ℔
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            inſideat (quomodo aute@@ navis oneratæ gravitas in aquis inveniatur in hydro-
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            ſtatica dicetur) hujus medium E, medio aggeris A incumbat ſitq́ue B F ſcapus
              <lb/>
            & </s>
            <s xml:id="echoid-s2781" xml:space="preserve">ab altera parte ei æqualis C G, jam navi remota ſegmenta F E, E G ſuntæ-
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            quipondia, quamobrem utnavis aggerem trajiciat, ſcapus ex F deprimendus
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            velex G ſublevandus erit, velutræque vires conjungendæ, fitq́ue H I navis
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            gravitatis diameter, & </s>
            <s xml:id="echoid-s2782" xml:space="preserve">F E ſextupla ipſius E H, unde concludendum quanta
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            potentia vel ex F vel ex G navi ſit æquilibris.</s>
            <s xml:id="echoid-s2783" xml:space="preserve"/>
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            <image file="527.01.091-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/527.01.091-01"/>
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        <div xml:id="echoid-div394" type="section" level="1" n="284">
          <head xml:id="echoid-head299" xml:space="preserve">CONSTRVCTIO.</head>
          <p>
            <s xml:id="echoid-s2784" xml:space="preserve">Cùm F G ſit librilis inſtar cujus firmitudinis punctum E, & </s>
            <s xml:id="echoid-s2785" xml:space="preserve">H I gravitatis
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            diameter, F E autem ſextupla ipſius E H, navis ſextupla erit ponderis ſibi ex F
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            puncto æquipondii, ſed ex hypotheſi navis librarum eſt 24000, itaque pondus
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            ab F dependens 4000 ℔, & </s>
            <s xml:id="echoid-s2786" xml:space="preserve">25 homines ſinguli 160 ℔ pendentes ex F navi æ-
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            quepõderabunt, atque id quidem hoc ſitu, verum ſi K navis ſtatuatur centrum,
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            & </s>
            <s xml:id="echoid-s2787" xml:space="preserve">E G attollatur, ab F minore quam 4000 ℔ pondere opus erit, nam ex K
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            perpendicularis, in planum E C horizonti parallelum, demiſlà gravitatis erit
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            diameter & </s>
            <s xml:id="echoid-s2788" xml:space="preserve">ipſi E vicinior, eſto igitur E F ſeptupla ſegminis E L, quare
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            3428 {4/5} ℔ pondus ab F ſuſpenſum iſtic ſitus æquilibritatem vindicabit.</s>
            <s xml:id="echoid-s2789" xml:space="preserve"/>
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        <div xml:id="echoid-div395" type="section" level="1" n="285">
          <head xml:id="echoid-head300" xml:space="preserve">NOTATO.</head>
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            <s xml:id="echoid-s2790" xml:space="preserve">Exemplum hoc quidem nobis expoſitum eſt, unde machinationis exemplar
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            ad imitandum derivari queat, conſiderandum tamen ſcapum E F ſextuplum
              <lb/>
            ipſius E H nobis ſumi, qui ſanè longitudine ampla & </s>
            <s xml:id="echoid-s2791" xml:space="preserve">craſſitudine ſymmetra
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            fabricandus foret: </s>
            <s xml:id="echoid-s2792" xml:space="preserve">non tamen exiſtimo in majoribus navigiis (aliarum machi-
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            narum ratione habita) perinde felici eventu uſurpari, licet in minoribus moli-
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            tio hæcforſan uſui fuerit. </s>
            <s xml:id="echoid-s2793" xml:space="preserve">Et quamvis ſuculæ ergatævèad terminos F, G con-
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            ſtitutæ non parum ſubſidii huic machinationi attulerint, nunc tamen hic per
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            numeros expol
              <unsure/>
            uiſſe ſatis eſſe duxi, aliam commodiorem rationem 10 propoſ.
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            </s>
            <s xml:id="echoid-s2794" xml:space="preserve">demonſtraturus.</s>
            <s xml:id="echoid-s2795" xml:space="preserve"/>
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        <div xml:id="echoid-div396" type="section" level="1" n="286">
          <head xml:id="echoid-head301" xml:space="preserve">2 Exemplum@.</head>
          <p>
            <s xml:id="echoid-s2796" xml:space="preserve">Antecedente paradigmate exhibui rationem ſcaporum cum pondere tum
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            etiam longitudine æqualium inæquales deinceps ſuecedunt.</s>
            <s xml:id="echoid-s2797" xml:space="preserve"/>
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          <p>
            <s xml:id="echoid-s2798" xml:space="preserve">D*ATVM.</s>
            <s xml:id="echoid-s2799" xml:space="preserve">* Sunto ſcapi ABC, ABD, ſubnixi hypomochlio E ſecundum
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            rectam A B, quam axis totius vectis ABCD ponderantis 400 ℔ interſecet
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            in F, hujus gravitatis centrum ſit G, (& </s>
            <s xml:id="echoid-s2800" xml:space="preserve">quamvis planum diametrale ex </s>
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