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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              <pb o="339" file="0353" n="353" rhead="DESPECULIS VITREIS."/>
            ad ſe mutuo imminuta curvarum D E, F G, diſtantiâ, quam eſt
              <lb/>
            craſſities vitri, cæteroquin manet E F ejuſdem latitudinis cum vi-
              <lb/>
            tri craſſitie; </s>
            <s xml:id="echoid-s8299" xml:space="preserve">elevato plus vitro extra Aquam, cadit E F D G ſepa-
              <lb/>
            rata â margine B. </s>
            <s xml:id="echoid-s8300" xml:space="preserve">Adhæret Aqua ipſi B, quamdiu vis attractrix vi-
              <lb/>
            tri ſuperat gravitatem Aquæ E F D G & </s>
            <s xml:id="echoid-s8301" xml:space="preserve">vim attrahentis Aquæ
              <lb/>
            C D G H: </s>
            <s xml:id="echoid-s8302" xml:space="preserve">gravitate autem & </s>
            <s xml:id="echoid-s8303" xml:space="preserve">vi attrahente Aquæ ſuperante vim at-
              <lb/>
            trahentem vitri, cadit ab eo ſoluta Aqua. </s>
            <s xml:id="echoid-s8304" xml:space="preserve">In hoc Experimento at-
              <lb/>
            tendendum eſt, curvas E D, F G formari ab attractione ipſius Aquæ
              <lb/>
            C D G H, quemadmodum enim in fig. </s>
            <s xml:id="echoid-s8305" xml:space="preserve">1. </s>
            <s xml:id="echoid-s8306" xml:space="preserve">demonſtravimus guttam X
              <lb/>
            a plano L M attractam induere curvam L e d c x ab una parte,
              <lb/>
            ſimilemque formatum iri ab alterâ parte MO, gutta major hic tan-
              <lb/>
            tum eſt E F D G in fig. </s>
            <s xml:id="echoid-s8307" xml:space="preserve">19. </s>
            <s xml:id="echoid-s8308" xml:space="preserve">elevata ſupra C D G H planum ſimile
              <lb/>
            illi L M fig. </s>
            <s xml:id="echoid-s8309" xml:space="preserve">1. </s>
            <s xml:id="echoid-s8310" xml:space="preserve">adeoque ab hoc attrahitur cum iiſdem phænomenis,
              <lb/>
            quæ in Exper. </s>
            <s xml:id="echoid-s8311" xml:space="preserve">1. </s>
            <s xml:id="echoid-s8312" xml:space="preserve">explicuimus.</s>
            <s xml:id="echoid-s8313" xml:space="preserve"/>
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        <div xml:id="echoid-div238" type="section" level="1" n="238">
          <head xml:id="echoid-head261" xml:space="preserve">EXPERIMENTUM IV.</head>
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            <s xml:id="echoid-s8314" xml:space="preserve">Sumta ſuerunt duo ſpecula ejuſdem magnitudinis ac in Experimento
              <lb/>
            I. </s>
            <s xml:id="echoid-s8315" xml:space="preserve">ex eodem vitro, ſatis accurate plana, pura, tam ſicca ac habe-
              <lb/>
            ri poſſunt, & </s>
            <s xml:id="echoid-s8316" xml:space="preserve">æqualia, inter quæ a parte dextra & </s>
            <s xml:id="echoid-s8317" xml:space="preserve">ſiniſtra inter-
              <lb/>
            ponebantur 40 lamellæ cupreæ, æque craſſæ, ut ſpeculorum ſuper-
              <lb/>
            perficies eſſent ſibi parallelæ; </s>
            <s xml:id="echoid-s8318" xml:space="preserve">tum lamellæ, compreſſæ ſimul cumſpe-
              <lb/>
            culis, relinquebant inter hæc diſtantiam pollicis R henolandici 0. </s>
            <s xml:id="echoid-s8319" xml:space="preserve">12,
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            ſpeculorum marginibus inferioribus Aquæ immerſis, hæc adſcendit
              <lb/>
            intra ſpecula ad altitudinem lin: </s>
            <s xml:id="echoid-s8320" xml:space="preserve">3, 1, ſuperficiem æquabilem ſuperio-
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            rem formando: </s>
            <s xml:id="echoid-s8321" xml:space="preserve">utrimque ſublatis 20 lamellis cupreis, & </s>
            <s xml:id="echoid-s8322" xml:space="preserve">ſiccatis
              <lb/>
            ſpeculorum ſuperficiebus, inter hæc erat diſtantia duplo minor
              <lb/>
            priori, ſpeculis ut ante Aquæ immiſſis, obſervatus adſcenſus fuit
              <lb/>
            ad lin. </s>
            <s xml:id="echoid-s8323" xml:space="preserve">6, 2.</s>
            <s xml:id="echoid-s8324" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s8325" xml:space="preserve">Sublatis utrimque rurfus 10 lamellis, ita ut ſpeculorum diſtantia
              <lb/>
            iterum fuerit duplo minor, adſcendit Aqua inter ea ad poll. </s>
            <s xml:id="echoid-s8326" xml:space="preserve">1,
              <lb/>
            24 Et rurſus ſublatis 5 lamellis ex commiſſura, fiebat Aquæ intra
              <lb/>
            ſpecula adſcenſus ad pol, 2, 48.</s>
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            <s xml:id="echoid-s8328" xml:space="preserve">Corol. </s>
            <s xml:id="echoid-s8329" xml:space="preserve">Ergo eſt altitudo adſcendentis Aquæ intra ſpeculain ratione
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            inverſâ diſtantiarum a ſe invicem. </s>
            <s xml:id="echoid-s8330" xml:space="preserve">Hanc legem quoque ſupra depre-
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            hendimus locum habere in Tubis capillaribus æque longis; </s>
            <s xml:id="echoid-s8331" xml:space="preserve">in </s>
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