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

Table of contents

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[291.] XXXIII. Problema. Triangulum Q L ?. Berga-ad-Somum, Bommelia, Alcmaria.
[292.] CAPUT IX. Quantitas unius gradus in maximo Terræ circulo demum definita.
[293.] PARS ALTERA. DE MAGNITUDINE TERRÆ SECUNDUM MENSURAM ULTIMAM SNELLII ET NOSTRAM. Problema I. Tab. XIV. fig. 2. Triangulum i e a connectens Leydam, Douſæ arcem, locumque inter hanc & Voor-ſchooten aſſumtum.
[294.] Problema II. Triangulum a e m, nectens Douſæ arcem, pagum Soeterwoudam, locumque inter illam & Voor ſchoten aſſumtum eundem ac in Probl. I.
[295.] Problema III. Triangulum i e m, jungens Leidam, Douſæ arcem & Soeterwoudam.
[296.] IV. Problema. Triangulum a i u, jungens Leidam, Voorſchoten, locumque aſſumtum in Problemate I.
[297.] V. Problema. Diſtantia inter Leidam & Voor ſchoten alio modo quæſita, ope Trianguli A E I nectentis Leidam, Soeterwou-dam & Voorſchoten Tab. XIV. fig. 4.
[298.] Problema VI. Tab. XIV. fig. 2. Triangulum, imu, conjungens Leidam, Soeterwoudam & Voorſchoten.
[299.] Problema VII. Diſtantia inter Soeterwoudam & Voor ſchooten alio modo quæſita.
[300.] Problema VIII. Tab. XIV. fig. 3. Triangulum A E I, Leida, Soeterwouda, Waſſenaria.
[301.] Problema IX. Tab. XIV. fig. 3. Triangulum E A I, diſtantia Leidæ & Waſſenariæ quæſita.
[302.] Problema X. Tab. XIV. fig. 6. Triangulum A E I, Leida, Waſſenaria, Voorſchooten.
[303.] Problema XI. Tab. XV. fig. 10. Triangulum aie, Leida, Noortvicum, Voorſcbooten.
[304.] XII. Problema. Tab. XV. fig. 9. Diſtantia inter Leidam & Noortvicum alio modo quæſita.
[305.] XIII. Problema Tab. XV. fig. 11. Triangulum A E B, Haga, Leida, Noortvicum.
[306.] XIV. Problema. Eadem diſtantia inter Hagam & Leidam aliter tentata.
[307.] XV. Problema. Triangulum A E S nectens Leidam, Hagam, Goudam.
[308.] Problema XVI. Triangulum E S R. Leida, Gouda, Dordracum.
[309.] Problema XVII. Triangulum E A R, Leida, Haga, Dordracum.
[310.] Problema XVIII. Triangulum A E F, Haga, Leida, Rotterodamum.
[311.] Problema. XIX. Triangulum E S F, Leida, Gouda, Rotterodamum.
[312.] Problema XX. Triangulum E S V. Leida, Vltrajectum, Gouda.
[313.] Problema XXI. Triangulum E R V, connectens Trajectum, Leidam, Dordracum.
[314.] Problema. XXII. Triangulum E M V. Leida, Oudewatera, Vltrajectum.
[315.] Problema XXIII. Triangulum E M S. Leidam, Oudewateram & Gou-dam connectens.
[316.] Problema XXIV. In Triangulo A E I Haga, Leida, Harlemum.
[317.] Problema XXV. Tab. XV. fig. 15. Diſtantia inter Harlemum & Leidam alio modo quæſita in Triangulo I A E.
[318.] Problema XXVI. Tab. XVI. Triangulum O E V, Amſtelodamum, Leida, Vltrajectum.
[319.] Problema XXVII. Triangulum E I V, Leida, Harlemum, Vltra-jectum.
[320.] Problema XXVIII. Triangulum E I O, Leida, Harlemum, Amſtelo-damum.
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              <pb o="280" file="0294" n="294" rhead="DISSERTATIO"/>
            bo ita inclinato ad horizontem, ut alterum extremum modo ha-
              <lb/>
            beat perpendicularem altitudinem 20 linearum ſupra ſuperficiem
              <lb/>
            Aquæ in vaſculo, totus tubus implebitur, uti etiam experientiâ
              <lb/>
            comprobatur.</s>
            <s xml:id="echoid-s6662" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div183" type="section" level="1" n="183">
          <head xml:id="echoid-head195" xml:space="preserve">EXPERIMENTUM VII.</head>
          <p>
            <s xml:id="echoid-s6663" xml:space="preserve">Si idem tubus continens 20 lineas Aquæ inſe, ex vaſe ſublatus lente
              <lb/>
            inclinetur, ut parallelus horizonti evadat; </s>
            <s xml:id="echoid-s6664" xml:space="preserve">tum aqua in tubo mo-
              <lb/>
            vebitur ab uno extremo verſus aliud, ita tamen, ut occupet accu-
              <lb/>
            rate mediam tubi partem, relinquatque ambas extremitates vacuas
              <lb/>
            Aquâ, & </s>
            <s xml:id="echoid-s6665" xml:space="preserve">tantum aëre plenas.</s>
            <s xml:id="echoid-s6666" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div184" type="section" level="1" n="184">
          <head xml:id="echoid-head196" xml:space="preserve">EXPERIMENTUM VIII.</head>
          <p>
            <s xml:id="echoid-s6667" xml:space="preserve">Extremum hujus tubi, quod Aquæ immerſum fuit, altius eleve-
              <lb/>
            tur ſupra horizontem, infra quem deprimatur alterum extremum,
              <lb/>
            tum Aqua deſcendit verſus humilius extremum, motu concitato;
              <lb/>
            </s>
            <s xml:id="echoid-s6668" xml:space="preserve">ſubito tamen ſiſtitur ante tubi orificium ad diſtantiam {1/3} lineæ ab o-
              <lb/>
            ra, quæ tubi pars aëre impleta inſtar obturaculi ſe habet: </s>
            <s xml:id="echoid-s6669" xml:space="preserve">ſed tu-
              <lb/>
            bo elevato perpendiculariter, adeoque penitus inverſo, Aqua deſcen-
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            dit uſque ad ultimam oram, manetque in tubo ſuſpenſa ad eandem
              <lb/>
            altitudinem: </s>
            <s xml:id="echoid-s6670" xml:space="preserve">quod phænomenon in Capite 7 explicabo.</s>
            <s xml:id="echoid-s6671" xml:space="preserve"/>
          </p>
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        <div xml:id="echoid-div185" type="section" level="1" n="185">
          <head xml:id="echoid-head197" xml:space="preserve">EXPERIMENTUM IX.</head>
          <p>
            <s xml:id="echoid-s6672" xml:space="preserve">Hic tubus nunc omnino interne humectatus, iterum Aquæ im-
              <lb/>
            poſitus, perpendiculariter, eodem extremo fluidum attingente, ſi-
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            ve oppoſito, non rapuit Aquam ad majorem altitudinem quam 20 li-
              <lb/>
            nearum in ſe.</s>
            <s xml:id="echoid-s6673" xml:space="preserve"/>
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          <p>
            <s xml:id="echoid-s6674" xml:space="preserve">Coroll. </s>
            <s xml:id="echoid-s6675" xml:space="preserve">Quamobrem tubus ſiccus vel humidus Aquam abſque ulla
              <lb/>
            differentia altitudinis in ſe recipit: </s>
            <s xml:id="echoid-s6676" xml:space="preserve">Ex hoc Experimento detegimus
              <lb/>
            errorem Boylei, memorantis Aquam melius adſcendere in tubos
              <lb/>
            prius humidos, quam in ſiccos; </s>
            <s xml:id="echoid-s6677" xml:space="preserve">in eundem lapidem impegit Stur-
              <lb/>
            mius, cum in Colleg. </s>
            <s xml:id="echoid-s6678" xml:space="preserve">Cur. </s>
            <s xml:id="echoid-s6679" xml:space="preserve">tentam. </s>
            <s xml:id="echoid-s6680" xml:space="preserve">8. </s>
            <s xml:id="echoid-s6681" xml:space="preserve">Pag. </s>
            <s xml:id="echoid-s6682" xml:space="preserve">45. </s>
            <s xml:id="echoid-s6683" xml:space="preserve">dicit. </s>
            <s xml:id="echoid-s6684" xml:space="preserve">Canaliculus
              <lb/>
            humectatus prius, altius admittebat aquam, per cavitatem </s>
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