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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        <div xml:id="echoid-div207" type="section" level="1" n="207">
          <head xml:id="echoid-head222" xml:space="preserve">CAPUT QUINTUM.</head>
          <head xml:id="echoid-head223" style="it" xml:space="preserve">De Tubis ubivis æque latis, ſed vario modo inflexis.</head>
          <p>
            <s xml:id="echoid-s7513" xml:space="preserve">Sumſi Tubum, prius rectum, atque explorato ad quamnam alti-
              <lb/>
            tudinem Aquam perpendiculariter elevabat, ejus extremi-
              <lb/>
            tatem varios in ſlexus redegi, quos repreſentat fig. </s>
            <s xml:id="echoid-s7514" xml:space="preserve">8. </s>
            <s xml:id="echoid-s7515" xml:space="preserve">Tab. </s>
            <s xml:id="echoid-s7516" xml:space="preserve">XI.
              <lb/>
            </s>
            <s xml:id="echoid-s7517" xml:space="preserve">immiſsâque iterum extremitate A aquæ, perpendicularem annota-
              <lb/>
            vi altitudinem, ad quam adſcendebat, hancque deprehendi æqualem
              <lb/>
            altitudini priori.</s>
            <s xml:id="echoid-s7518" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div208" type="section" level="1" n="208">
          <head xml:id="echoid-head224" xml:space="preserve">EXPERIMENTUM II.</head>
          <p>
            <s xml:id="echoid-s7519" xml:space="preserve">Exploravi ad quam altitudinem Aquam elevaret alius Tubus re-
              <lb/>
            ctus, quo dein inſlexo in formam, qualem exhibet fig. </s>
            <s xml:id="echoid-s7520" xml:space="preserve">9. </s>
            <s xml:id="echoid-s7521" xml:space="preserve">Tab. </s>
            <s xml:id="echoid-s7522" xml:space="preserve">XI.
              <lb/>
            </s>
            <s xml:id="echoid-s7523" xml:space="preserve">iterumque immiſsâ extremitate A Aquæ, hæc adſcendit ad ean-
              <lb/>
            dem perpendicularem altitudinem quam ante.</s>
            <s xml:id="echoid-s7524" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s7525" xml:space="preserve">Corol. </s>
            <s xml:id="echoid-s7526" xml:space="preserve">1. </s>
            <s xml:id="echoid-s7527" xml:space="preserve">Ergo vis Aquam in Tubos hos elevans eſt æqualis gra-
              <lb/>
            vitati altitudinis perpendicularis Aquæ Nunc enim major Aquæ quan-
              <lb/>
            titas adimplet Tubum inflexum, quam antea rectum: </s>
            <s xml:id="echoid-s7528" xml:space="preserve">ſed ma-
              <lb/>
            jor quantitas Aquæ non gravitat in cauſam quamcunque (ſive ſupe-
              <lb/>
            rius trahentem, vel prementem ſuperficiem reliquæ Aquæ,
              <lb/>
            nihil hucuſque de ea determino) cum ſuperfluum gravitatis ſuſtinea-
              <lb/>
            tur â parietibus Tuborum.</s>
            <s xml:id="echoid-s7529" xml:space="preserve"/>
          </p>
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        <div xml:id="echoid-div209" type="section" level="1" n="209">
          <head xml:id="echoid-head225" xml:space="preserve">EXPERIMENTUM III.</head>
          <p>
            <s xml:id="echoid-s7530" xml:space="preserve">Sumatur Tubus ABCDE. </s>
            <s xml:id="echoid-s7531" xml:space="preserve">Tab. </s>
            <s xml:id="echoid-s7532" xml:space="preserve">XI. </s>
            <s xml:id="echoid-s7533" xml:space="preserve">fig. </s>
            <s xml:id="echoid-s7534" xml:space="preserve">10. </s>
            <s xml:id="echoid-s7535" xml:space="preserve">cujus duo latera AB,
              <lb/>
            DE recta, quæ etiam ponantur horizonti parallelela: </s>
            <s xml:id="echoid-s7536" xml:space="preserve">altitudo CF
              <lb/>
            perpendicularis ſit minor ea, ad quam Aqua in Tubum eundem re-
              <lb/>
            ctum adſcendit: </s>
            <s xml:id="echoid-s7537" xml:space="preserve">extremitati E apponatur gutta Aquæ, rapietur Aqua in-
              <lb/>
            trorſum, adſcendet ſupra DC, deſcendet per BC, & </s>
            <s xml:id="echoid-s7538" xml:space="preserve">BA, uſque ad
              <lb/>
            alteram oram A, ubi quieſcet, nequaquam effluens.</s>
            <s xml:id="echoid-s7539" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s7540" xml:space="preserve">Eſt hic Tubus inſtar Siphonis æqualium crurum, qui dum </s>
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