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

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        <div xml:id="echoid-div1671" type="section" level="1" n="409">
          <pb o="324" file="0440" n="483" rhead="PHYSICES ELEMENTA"/>
          <p>
            <s xml:id="echoid-s11622" xml:space="preserve">Aperto epiſtomio G, premit aër in aquam ex tubo FG
              <lb/>
              <note position="left" xlink:label="note-0440-01" xlink:href="note-0440-01a" xml:space="preserve">1129.</note>
            exeuntem; </s>
            <s xml:id="echoid-s11623" xml:space="preserve">premit etiam aër in ſuperficiem aquæ in rece-
              <lb/>
            ptaculo, qua preſſione in tubo AB ſuſtinetur. </s>
            <s xml:id="echoid-s11624" xml:space="preserve">Preſſio-
              <lb/>
            nes hæ ſunt æquales, & </s>
            <s xml:id="echoid-s11625" xml:space="preserve">ab hiſce demtis aquæ columnis
              <lb/>
            quas ſuſtinent, dantur vires quibus agunt in aërem, in
              <lb/>
            yaſorum partibus ſuperioribus, & </s>
            <s xml:id="echoid-s11626" xml:space="preserve">tubo CDE, con-
              <lb/>
            tentum. </s>
            <s xml:id="echoid-s11627" xml:space="preserve">Columna FG, quia ei ſuperadditur aquæ
              <lb/>
            altitudo in vaſe H, ſemper ſuperat columnam in tubo
              <lb/>
            AB; </s>
            <s xml:id="echoid-s11628" xml:space="preserve">preſſio ergo in G alia magis minuitur & </s>
            <s xml:id="echoid-s11629" xml:space="preserve">ab ipſa ſu-
              <lb/>
            peratur, adſcenditque aqua per tubum AB, deſcendit ve-
              <lb/>
            ro per FG.</s>
            <s xml:id="echoid-s11630" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div1674" type="section" level="1" n="410">
          <head xml:id="echoid-head555" xml:space="preserve">
            <emph style="sc">Antliæ</emph>
            <emph style="sc">Vulgares</emph>
          .</head>
          <p>
            <s xml:id="echoid-s11631" xml:space="preserve">Ut antliarum vulgarium actio & </s>
            <s xml:id="echoid-s11632" xml:space="preserve">effectus ante oculos po-
              <lb/>
              <note position="left" xlink:label="note-0440-02" xlink:href="note-0440-02a" xml:space="preserve">1130.</note>
            natur, conſtruitur antlia parva ex vitro. </s>
            <s xml:id="echoid-s11633" xml:space="preserve">Sit AB cylin-
              <lb/>
              <note position="left" xlink:label="note-0440-03" xlink:href="note-0440-03a" xml:space="preserve">TAB. XLV.
                <lb/>
              fig. 3.</note>
            drus vitreus longitudinis ſex aut ſeptem pollicum, & </s>
            <s xml:id="echoid-s11634" xml:space="preserve">cujus
              <lb/>
            diameter ſit unius pollicis cum ſemiſſe. </s>
            <s xml:id="echoid-s11635" xml:space="preserve">In ſundo ei jungi-
              <lb/>
            tur tubus cujuſcunque longitudinis CD. </s>
            <s xml:id="echoid-s11636" xml:space="preserve">Hujus apertura
              <lb/>
            ſuperior clauditur globo plumbeo ita, ut aqua ex cylindro
              <lb/>
            AB defcendere nequeat, in hunc autem adſcendere facile poſ-
              <lb/>
            ſit elevando globum, quo loco valvulæ utimur. </s>
            <s xml:id="echoid-s11637" xml:space="preserve">Embolus in cy-
              <lb/>
            lindro AB movetur, qui corio circumdatus hujus capacita-
              <lb/>
            tem exactè implet: </s>
            <s xml:id="echoid-s11638" xml:space="preserve">datur in embolo foramen, quod etiam, loco
              <lb/>
            valvulæ, globo obturatur, ita ut per embolum aqua ad-
              <lb/>
            ſcendere, deſcendere non verò poſſit.</s>
            <s xml:id="echoid-s11639" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div1676" type="section" level="1" n="411">
          <head xml:id="echoid-head556" xml:space="preserve">
            <emph style="sc">Experimentum</emph>
          4.</head>
          <p>
            <s xml:id="echoid-s11640" xml:space="preserve">Fundo cylindri admoveatur embolus, huic ſuperinfun-
              <lb/>
              <note position="left" xlink:label="note-0440-04" xlink:href="note-0440-04a" xml:space="preserve">1131.</note>
            datur aqua, ut aëris tranſitus cohibeatur, ſi aquâ immer-
              <lb/>
            gatur extremitas D tubi CD, & </s>
            <s xml:id="echoid-s11641" xml:space="preserve">elevetur embolus, adſcen-
              <lb/>
            det aqua in cylindrum AB , ex quo deſcendere nequit;</s>
            <s xml:id="echoid-s11642" xml:space="preserve">
              <note symbol="*" position="left" xlink:label="note-0440-05" xlink:href="note-0440-05a" xml:space="preserve">1104.</note>
            quare per embolum tranſit, quando hic deſcendit. </s>
            <s xml:id="echoid-s11643" xml:space="preserve">Elevato
              <lb/>
            iterum embolo novâ aquâ cylindrus repletur; </s>
            <s xml:id="echoid-s11644" xml:space="preserve">& </s>
            <s xml:id="echoid-s11645" xml:space="preserve">prima in
              <lb/>
            vas ligneum F cum cylindro vitreo cohærens elevatur, ex
              <lb/>
            quo per tubum G fluit.</s>
            <s xml:id="echoid-s11646" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s11647" xml:space="preserve">Cum omnium machinarum in hoc capite deſcriptarum
              <lb/>
              <note position="left" xlink:label="note-0440-06" xlink:href="note-0440-06a" xml:space="preserve">1132.</note>
            effectus ab Atmoſphæræ preſſione pendeant, non </s>
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