Bernoulli, Daniel, Hydrodynamica, sive De viribus et motibus fluidorum commentarii

Table of Notes

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        <div xml:id="echoid-div98" type="section" level="1" n="73">
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            <s xml:id="echoid-s2708" xml:space="preserve">
              <pb o="96" file="0110" n="110" rhead="HYDRODYNAMICÆ"/>
            tranſgrediatur altitudinem {mma/mm - nn}. </s>
            <s xml:id="echoid-s2709" xml:space="preserve">De his igitur caſibus nihil eſt quod di-
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            camus.</s>
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        <div xml:id="echoid-div100" type="section" level="1" n="74">
          <head xml:id="echoid-head99" xml:space="preserve">Scholion 2.</head>
          <p>
            <s xml:id="echoid-s2711" xml:space="preserve">§. </s>
            <s xml:id="echoid-s2712" xml:space="preserve">5. </s>
            <s xml:id="echoid-s2713" xml:space="preserve">Quæſtio hic nunc alia occurrit notatu digna; </s>
            <s xml:id="echoid-s2714" xml:space="preserve">nempe quis eſſe
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            poſſit modus affuſionis mechanicus, ut vas ſuperius ad debitam durante toto
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            fluxu altitudinem plenum ſervetur. </s>
            <s xml:id="echoid-s2715" xml:space="preserve">Difficile foret iſtud Problema ob incon-
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            ſtantiam altitudinis quæſitæ, niſi peculiare hic artificium occurreret, quod
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            nunc tradam.</s>
            <s xml:id="echoid-s2716" xml:space="preserve"/>
          </p>
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            <s xml:id="echoid-s2717" xml:space="preserve">Nititur autem ſuper eo, quod aqua in ſpatio minimo RSDG nullam
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            patiatur compreſſionem neque affirmativam neque negativam, quia ex hypo-
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            theſi communi velocitate movetur cum aqua proxime ſubſtrata, atque ſic nul-
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            la particula nullam nec propellere nec retinere tentet.</s>
            <s xml:id="echoid-s2718" xml:space="preserve"/>
          </p>
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            <s xml:id="echoid-s2719" xml:space="preserve">Fiat igitur vas quod dixi utrumque, ſitque tubus cum vaſe ſuperiore
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            firmatus (neque enim aliter quam demonſtrationis gratia illa poſuimus antea
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            ſeparata) habeat autem tubus in ſummitate a (Fig. </s>
            <s xml:id="echoid-s2720" xml:space="preserve">30.) </s>
            <s xml:id="echoid-s2721" xml:space="preserve">foraminulum, cui re-
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              <note position="left" xlink:label="note-0110-01" xlink:href="note-0110-01a" xml:space="preserve">Fig. 30.</note>
            ſpondeat tubulus a m, in hunc tubulum immittatur tubus vitreus recurvus
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            a b c d g, obtectis cera oris m n: </s>
            <s xml:id="echoid-s2722" xml:space="preserve">ducatur horizontalis a e noteturque punctum e.
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            </s>
            <s xml:id="echoid-s2723" xml:space="preserve">His ſic præparatis, ſic erit faciendum, ut durante toto experimento ſummitas
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            aquæ conſtanter permaneat in puncto e; </s>
            <s xml:id="echoid-s2724" xml:space="preserve">& </s>
            <s xml:id="echoid-s2725" xml:space="preserve">ad hoc requiri videbis, ut ab initio
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            ſuperficies aquæ ſit fundo F P proxima, deinde, ut continue elevetur, & </s>
            <s xml:id="echoid-s2726" xml:space="preserve">de-
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            nique ut poſt tempus etſi infinitum nunquam tamen tranſcendat altitudinem
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            {nna/mm - nn}, facile autem erit aquarum affuſionem ita moderari, ut ſuperficies
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            à puncto e non admodum divagetur, @ſi modo circumſtantiæ non ſint ita com-
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            paratæ, ut aquæ ab initio nimis celeriter ſint affundendæ.</s>
            <s xml:id="echoid-s2727" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2728" xml:space="preserve">Quod ſi autem ſuperficiem in tubulo ſupra e elevatam animadvertis, in-
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            hibe paullo affuſionem, quod faciendum eſſe alibi demonſtrabo, ſi ſecus fuerit,
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            largius aquas affunde.</s>
            <s xml:id="echoid-s2729" xml:space="preserve"/>
          </p>
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            <s xml:id="echoid-s2730" xml:space="preserve">Nihil habet difficultatis iſtud experimenti genus cujuſmodi ſæpe feci,
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            ſed ne error in experimentum irrepat, examinandus eſt tubi vitrei effectus ca-
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            pillaris; </s>
            <s xml:id="echoid-s2731" xml:space="preserve">hunc effectum invenies, ſi obturato orificio L M, priusque madefa-
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            cto tubo, cylindrus aqua impleatur uſque ad ſummitatem, atque ſic invenies
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            ſuperficiem aquæ in tubo pertingere uſque in f, locum nempe altiorem quam </s>
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