Gravesande, Willem Jacob 's, Physices elementa mathematica, experimentis confirmata sive introductio ad philosophiam Newtonianam; Tom. 1

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          <p>
            <s xml:id="echoid-s7810" xml:space="preserve">
              <pb o="202" file="0284" n="310" rhead="PHYSICES ELEMENTA"/>
            & </s>
            <s xml:id="echoid-s7811" xml:space="preserve">borizonti parallelam. </s>
            <s xml:id="echoid-s7812" xml:space="preserve">Cum enim impreſſioni cuicunque
              <lb/>
            particulæ cedant, tam diu gravitate moventur, donec de-
              <lb/>
            ſcenſui locus non amplius detur.</s>
            <s xml:id="echoid-s7813" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s7814" xml:space="preserve">Particulæ inſeriores ſuperiores ſuſtinent, & </s>
            <s xml:id="echoid-s7815" xml:space="preserve">hiſce premun-
              <lb/>
              <note position="left" xlink:label="note-0284-01" xlink:href="note-0284-01a" xml:space="preserve">708.</note>
            tur, preſſioque bæc ſequitur proportionem materiæ incum-
              <lb/>
            bentis, id eſt, altitudinis fluidi ſupra particulam preſſam;
              <lb/>
            </s>
            <s xml:id="echoid-s7816" xml:space="preserve">cum vero ſuperficies ſuprema fluidi ſit ad horizontem paral-
              <lb/>
            lela , omnia puncta ſuperficiei cujuſcunque, quæ
              <note symbol="*" position="left" xlink:label="note-0284-02" xlink:href="note-0284-02a" xml:space="preserve">707.</note>
            cipitur in fluido ad horizontem parallela, æqualiter pre-
              <lb/>
            muntur.</s>
            <s xml:id="echoid-s7817" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s7818" xml:space="preserve">Si ergo in aliquo loco talis ſuperficiei preſſio detur minor
              <lb/>
              <note position="left" xlink:label="note-0284-03" xlink:href="note-0284-03a" xml:space="preserve">709.</note>
            quàm in cæteris punctis, fluidum, quod impreſſioni cui-
              <lb/>
            cunque cedit, ibi movebitur, id eſt, adſcendet, donec preſ-
              <lb/>
            ſio fuerit æqualis.</s>
            <s xml:id="echoid-s7819" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div1090" type="section" level="1" n="266">
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            <emph style="sc">Experimentum</emph>
          2.</head>
          <p>
            <s xml:id="echoid-s7820" xml:space="preserve">Tubi vitrei C ab utraque parte aperti, cujus extremitas
              <lb/>
              <note position="left" xlink:label="note-0284-04" xlink:href="note-0284-04a" xml:space="preserve">710.</note>
            una digito clauditur, extremitas altera aquâ immergitur;
              <lb/>
            </s>
            <s xml:id="echoid-s7821" xml:space="preserve">
              <note position="left" xlink:label="note-0284-05" xlink:href="note-0284-05a" xml:space="preserve">
                <emph style="sc">TAB. XXVII</emph>
              .
                <lb/>
              fig. 2.</note>
            cum tubus aëre repleatur, aqua in hunc ad parvam admo-
              <lb/>
            dum altitudinem adſcendit; </s>
            <s xml:id="echoid-s7822" xml:space="preserve">ſi digitus tollatur ut aër preſ-
              <lb/>
            ſus exeat, ſuperficies, quæ in aqua concipitur horizonti
              <lb/>
            parallela juxta partem inferiorem tubi, minus in parte re-
              <lb/>
            ſpondenti aperturæ tubi premitur, aqua etiam in tubum
              <lb/>
            tunc adſcendit, donec in eo habeat altitudinem æqualem
              <lb/>
            cum aqua exteriori.</s>
            <s xml:id="echoid-s7823" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s7824" xml:space="preserve">Preſſio in particulas inferiores, quæ oritur ex gravitate
              <lb/>
              <note position="left" xlink:label="note-0284-06" xlink:href="note-0284-06a" xml:space="preserve">711.</note>
            fluidi ſuperioris, actionem ſuam exerit verſus omnes par-
              <lb/>
            tes, & </s>
            <s xml:id="echoid-s7825" xml:space="preserve">quidem æqualiter. </s>
            <s xml:id="echoid-s7826" xml:space="preserve">Quod ex natura fluidi ſequitur;
              <lb/>
            </s>
            <s xml:id="echoid-s7827" xml:space="preserve">nam hujus partes impreſſioni cuicunque cedunt, & </s>
            <s xml:id="echoid-s7828" xml:space="preserve">facil-
              <lb/>
            lime moventur; </s>
            <s xml:id="echoid-s7829" xml:space="preserve">gutta ergo quæcunque locum quem occu-
              <lb/>
            pat non ſervabit, ſi, dum à fluido ſuperiori premitur, ab
              <lb/>
            omni parte non æqualiter prematur; </s>
            <s xml:id="echoid-s7830" xml:space="preserve">moveri autem non poteſt
              <lb/>
            propter guttas vicinas, quæ eodem modo & </s>
            <s xml:id="echoid-s7831" xml:space="preserve">eadem cum vi
              <lb/>
            à fluido ſupereminenti premuntur; </s>
            <s xml:id="echoid-s7832" xml:space="preserve">quieſcit idcirco gutta pri-
              <lb/>
            ma, & </s>
            <s xml:id="echoid-s7833" xml:space="preserve">æqualiter ab omni parte, id eſt, juxta directionem
              <lb/>
            quamcunque, premitur.</s>
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