Musschenbroek, Petrus van, Physicae experimentales, et geometricae de magnete, tuborum capillarium vitreorumque speculorum attractione, magnitudine terrae, cohaerentia corporum firmorum dissertationes: ut et ephemerides meteorologicae ultraiectinae

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            enim generaliter â Geometra demonſtratum eſt, nonſemper verum
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            eſt realiter, nec aſſumendum niſi Experimento probetur, in ejus
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            tentamine enim liquebit, an omnes, quæ concurrunt in phyſica cir-
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            cumſtantiæ, ſimul in demonſtratione comprehendantur, quod eſt
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            aureum Niewentytii monitum.</s>
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        <div xml:id="echoid-div220" type="section" level="1" n="220">
          <head xml:id="echoid-head236" xml:space="preserve">CAPUT SEXTUM.</head>
          <head xml:id="echoid-head237" style="it" xml:space="preserve">De Tubis vario modo inflexis & inæqualis diametri.</head>
          <head xml:id="echoid-head238" xml:space="preserve">EXPERIMENTUM I.</head>
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            <s xml:id="echoid-s7749" xml:space="preserve">Sit Tubus capillaris AGB ſubtilior, fig. </s>
            <s xml:id="echoid-s7750" xml:space="preserve">5. </s>
            <s xml:id="echoid-s7751" xml:space="preserve">Tab. </s>
            <s xml:id="echoid-s7752" xml:space="preserve">XII. </s>
            <s xml:id="echoid-s7753" xml:space="preserve">cui an-
              <lb/>
            nexus ſit alius Tubus amplior, ſed brevior, impleatur totus
              <lb/>
            quantus eſt Aquâ, dein invertatur, & </s>
            <s xml:id="echoid-s7754" xml:space="preserve">orificium A Tubi gracilio-
              <lb/>
            ris imponatur Aquæ in vaſe DE, tum Aqua ex parte ampliori
              <lb/>
            CFB adſcendet ex C in F & </s>
            <s xml:id="echoid-s7755" xml:space="preserve">in B, exibitque ex orificio A, ma-
              <lb/>
            nebit tamen Aqua in AB ſuſpenſa uſque ad altitudinem AB I-
              <lb/>
            dem phænomenon contingit ſive Tubus BFC ſit cylindricus ſive
              <lb/>
            conicus.</s>
            <s xml:id="echoid-s7756" xml:space="preserve"/>
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            <s xml:id="echoid-s7757" xml:space="preserve">Corol. </s>
            <s xml:id="echoid-s7758" xml:space="preserve">Eſt hoc phænomenon plane diverſum ab eo, quod nota-
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            vimus in capitis præced: </s>
            <s xml:id="echoid-s7759" xml:space="preserve">Exp. </s>
            <s xml:id="echoid-s7760" xml:space="preserve">X, in quo manebat Aqua in cru-
              <lb/>
            re BFC uſque ad oram C: </s>
            <s xml:id="echoid-s7761" xml:space="preserve">nunc autem retrogreditur, nec tamen
              <lb/>
            ſuperabat capacitas BFC multum eam in AGB nam idem contin-
              <lb/>
            git, ſi Tubus fuerit totus conicus & </s>
            <s xml:id="echoid-s7762" xml:space="preserve">diameter C modo ſuperet bis
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            diametrum in A.</s>
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            <s xml:id="echoid-s7764" xml:space="preserve">Corol. </s>
            <s xml:id="echoid-s7765" xml:space="preserve">2 Obſervatur igitur in hoc genere Tuborum idem,
              <lb/>
            quod in Siphonibus bicruralibus amplis, quoad retrogreſſum A-
              <lb/>
            quæ per CFB verſus A cum hac tamen differentia, quod Tubus
              <lb/>
            AGB maneat impletus: </s>
            <s xml:id="echoid-s7766" xml:space="preserve">vel ſi fuerit conicus, maneat ad eam im-
              <lb/>
            pletus altitudinem, ad quam ſuâ ſponte adſcendiſſet liquor ingreſ-
              <lb/>
            ſus per A.</s>
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