Bernoulli, Daniel, Hydrodynamica, sive De viribus et motibus fluidorum commentarii
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            <emph style="bf">HYDRODYNAMICÆ</emph>
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          <head xml:id="echoid-head251" xml:space="preserve">
            <emph style="bf">SECTIO DUODECIMA.</emph>
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          <head xml:id="echoid-head252" style="it" xml:space="preserve">Quæ ſtaticam fluidorum motorum, quam hy-
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          draulico - ſtaticam voco, exhibet.</head>
          <head xml:id="echoid-head253" xml:space="preserve">§ 1.</head>
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            <s xml:id="echoid-s7531" xml:space="preserve">INter eos, qui preſſionis fluidorum intra vaſa ſubſiſtentium men-
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            ſuras dederunt, pauci regulas Hydroſtaticæ vulgares, quas in
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            ſectione ſecunda demonſtravimus, transgreſſi ſunt: </s>
            <s xml:id="echoid-s7532" xml:space="preserve">multa tamen
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            alia ſunt, quæ ad Hydroſtaticam proprie ſic dictam pertinent,
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            veluti cum actioni gravitatis vis centrifuga conjuncta eſt, aut vis inertiæ,
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            quod utrumque in præcedente ſectione commentati ſumus: </s>
            <s xml:id="echoid-s7533" xml:space="preserve">poſſentque hu-
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            jusmodi vires mortuæ excogitari & </s>
            <s xml:id="echoid-s7534" xml:space="preserve">combinari infinitis aliis modis. </s>
            <s xml:id="echoid-s7535" xml:space="preserve">Non
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            vero hæc ſunt, quæ maxime deſideranda mihi videntur: </s>
            <s xml:id="echoid-s7536" xml:space="preserve">cum difficile non
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            ſit regulas ad id negotium dare generales. </s>
            <s xml:id="echoid-s7537" xml:space="preserve">Deſidero potius fluidorum ſtati-
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            cam, quæ intra vaſa moventur motu progreſſivo, veluti aquarum per cana-
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            les ad fontes ſalientes fluentium: </s>
            <s xml:id="echoid-s7538" xml:space="preserve">multiplicis enim uſus eſt, nec ab ullo tra-
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            ctata aut ſi qui mentionem de illa feciſſe dici poſſunt, ab his minime rectè
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            fuit explicata: </s>
            <s xml:id="echoid-s7539" xml:space="preserve">qui enim de preſſione aquarum per aquæ ductus fluentium
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            horumque requiſita firmitate ad preſſionem illam ſuſtinendam dixerunt, non
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            alias, quam pro fluidis nullo motu latis leges tradiderunt.</s>
            <s xml:id="echoid-s7540" xml:space="preserve"/>
          </p>
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            <s xml:id="echoid-s7541" xml:space="preserve">§. </s>
            <s xml:id="echoid-s7542" xml:space="preserve">2. </s>
            <s xml:id="echoid-s7543" xml:space="preserve">Singulare eſt in iſta hydraulico - ſtatica, quod niſus aquarum
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            prius definiri non poſſit, quam motus recte fuerit cognitus, quæ ratio eſt,
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            quod tam diu latuit hæc doctrina; </s>
            <s xml:id="echoid-s7544" xml:space="preserve">parum enim ſolliciti hactenus fuerunt Au-
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            ctores in motu aquarum diſquirendo, & </s>
            <s xml:id="echoid-s7545" xml:space="preserve">velocitates ubique fere ex ſola aquæ
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            altitudine æſtimarunt: </s>
            <s xml:id="echoid-s7546" xml:space="preserve">quamvis autem ſæpe motus tam cito ad hanc veloci-
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            tatem tendat, ut accelerationes ſenſibus plane diſtingui nequeant, & </s>
            <s xml:id="echoid-s7547" xml:space="preserve">in in-
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            ſtanti omnis motus generari videatur, intereſt tamen, ut hæ accelerationes
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            recte intelligantur, quia aliter preſſiones aquarum fluentium definiri ſæpe
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            non poſſunt, proptereaque exiſtimavi, rem eſſe maximi momenti à motus
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            principio usque ad datum terminum mutationes illas utcunque </s>
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