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-s7985" xml:space="preserve">
              <pb o="208" file="0292" n="319" rhead="PHYSICES ELEMENTA"/>
            docunque firmato, cohæret, & </s>
            <s xml:id="echoid-s7986" xml:space="preserve">neque latera neque fun-
              <lb/>
            dum vaſis memorati tangit; </s>
            <s xml:id="echoid-s7987" xml:space="preserve">ſi vaſi aqua ad quamcunque al-
              <lb/>
            titudinem infundatur, & </s>
            <s xml:id="echoid-s7988" xml:space="preserve">pondere lanci oppoſitæ impoſito
              <lb/>
            æquilibrium detur; </s>
            <s xml:id="echoid-s7989" xml:space="preserve">hocce pondus erit pondus totius aquæ
              <lb/>
            quæ in vaſe, ſublato cylindro, continetur, poſita hac ad ean-
              <lb/>
            dem altitudinem quam in Experimento; </s>
            <s xml:id="echoid-s7990" xml:space="preserve">& </s>
            <s xml:id="echoid-s7991" xml:space="preserve">parva aquæ
              <lb/>
            quantitas, cujus ſuprema ſuperficies elevatur, qua preſſio in
              <lb/>
            fundum augetur, magnum pondus ſuſtinet.</s>
            <s xml:id="echoid-s7992" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s7993" xml:space="preserve">Preſſionem lateralem verticali æquari, adhibita ſequenti
              <lb/>
            machina, ad oculum patebit.</s>
            <s xml:id="echoid-s7994" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div1115" type="section" level="1" n="276">
          <head xml:id="echoid-head389" xml:space="preserve">
            <emph style="sc">Machina</emph>
          </head>
          <head xml:id="echoid-head390" style="it" xml:space="preserve">Qua demonſtratur Preſſio Fluidorum
            <lb/>
          lateralis.</head>
          <p>
            <s xml:id="echoid-s7995" xml:space="preserve">Vas DB eſt parallelopipedum ligneum altitudinis circi-
              <lb/>
              <note position="left" xlink:label="note-0292-01" xlink:href="note-0292-01a" xml:space="preserve">726.</note>
            ter viginti pollicum; </s>
            <s xml:id="echoid-s7996" xml:space="preserve">a latere fundum verſus datur foramen,
              <lb/>
              <note position="left" xlink:label="note-0292-02" xlink:href="note-0292-02a" xml:space="preserve">
                <emph style="sc">TAB XXVIII</emph>
              .
                <lb/>
              fig. 4.</note>
            in quo hæret annulus æneus cochleam continens, ut cylin-
              <lb/>
            drus A, quem ſupra memoravimus , ibi firmetur,
              <note symbol="*" position="left" xlink:label="note-0292-03" xlink:href="note-0292-03a" xml:space="preserve">722.</note>
            tis pedibus, qui cochleis annulo inferiori annectuntur. </s>
            <s xml:id="echoid-s7997" xml:space="preserve">Mo-
              <lb/>
            tus fundi in cylindro in hoc caſu eſt horizontalis. </s>
            <s xml:id="echoid-s7998" xml:space="preserve">Ad la-
              <lb/>
            tera machinæ huic junguntur duæ regulæ ligneæ, quarum
              <lb/>
            una videtur in GH, ſuper his horizontaliter movetur
              <lb/>
            regula CC, quæ in medio F latior eſt, ut hujus motu in-
              <lb/>
            trudatur cylindri fundus, quem regula premit paululum
              <lb/>
            infra centrum. </s>
            <s xml:id="echoid-s7999" xml:space="preserve">In C & </s>
            <s xml:id="echoid-s8000" xml:space="preserve">C funes ut CE huic regulæ alli-
              <lb/>
            gantur, qui juxta regulas ut GH protenduntur, tranſeun-
              <lb/>
            tes ſuper trochleis in harum regularum extremitatibus ut T,
              <lb/>
            & </s>
            <s xml:id="echoid-s8001" xml:space="preserve">iis appenduntur pondera ut P.</s>
            <s xml:id="echoid-s8002" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div1117" type="section" level="1" n="277">
          <head xml:id="echoid-head391" xml:space="preserve">
            <emph style="sc">Experimentum</emph>
          4.</head>
          <p>
            <s xml:id="echoid-s8003" xml:space="preserve">Infundatur aqua vaſi BD, ita ut aquæ ſuperficies altior ſit
              <lb/>
              <note position="left" xlink:label="note-0292-04" xlink:href="note-0292-04a" xml:space="preserve">727.</note>
            regula CC quindecim pollicibus, ſint pondera ut P duarum
              <lb/>
            librarum cum ſemiſſe, ita ut ſimul ſumta valeant quinque
              <lb/>
            libras, preſſio aquæ hocce pondus ſuſtinebit, & </s>
            <s xml:id="echoid-s8004" xml:space="preserve">fundus in
              <lb/>
            hoc caſu æque facile intruditur ac extrahitur</s>
          </p>
          <p>
            <s xml:id="echoid-s8005" xml:space="preserve">Vim, qua aqua ſurſum premit, æqualem eſſe illi qua deor-
              <lb/>
            ſum & </s>
            <s xml:id="echoid-s8006" xml:space="preserve">ad latera premit, ſequenti Experimento probatur.</s>
            <s xml:id="echoid-s8007" xml:space="preserve"/>
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