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

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            <s xml:id="echoid-s9028" xml:space="preserve">
              <pb o="243" file="0337" n="369" rhead="MATHEMATICA. LIB. II. CAP. VIII."/>
            tas cum qua fluidum effluere inchoat ; </s>
            <s xml:id="echoid-s9029" xml:space="preserve">celeritas
              <note symbol="*" position="right" xlink:label="note-0337-01" xlink:href="note-0337-01a" xml:space="preserve">839. 792.</note>
            dum fluidum in vaſe deſcendit, in eadem ratione minui-
              <lb/>
            tur, cum tempore evacuationis fluidi in vaſe ſuperſtitis; </s>
            <s xml:id="echoid-s9030" xml:space="preserve">& </s>
            <s xml:id="echoid-s9031" xml:space="preserve">
              <lb/>
            motus fluidi, ex vaſe cylindrico fluentis, eſt retardatus æqua-
              <lb/>
              <note position="right" xlink:label="note-0337-02" xlink:href="note-0337-02a" xml:space="preserve">843.</note>
            liter in temporibus æqualibus.</s>
            <s xml:id="echoid-s9032" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s9033" xml:space="preserve">Si ex cylindro, & </s>
            <s xml:id="echoid-s9034" xml:space="preserve">alio vaſe ejuſdem altitudinis, & </s>
            <s xml:id="echoid-s9035" xml:space="preserve">flui-
              <lb/>
              <note position="right" xlink:label="note-0337-03" xlink:href="note-0337-03a" xml:space="preserve">844.</note>
            dum ſemper ad eandem altitudinem continenti, per for amina
              <lb/>
            æqualia fluat fluidum, in tempore in quo evacuatur cylin-
              <lb/>
            drus, ex vaſe memorato fluit dupla fluidi quantitas quàm ex
              <lb/>
            cylindro. </s>
            <s xml:id="echoid-s9036" xml:space="preserve">Nam, propter altitudines vaſorum æquales, ce-
              <lb/>
            leritates in principio ſunt æquales; </s>
            <s xml:id="echoid-s9037" xml:space="preserve">fluidi, quod ex vaſe ſem-
              <lb/>
            per repleto exit, celeritas eſt æquabilis; </s>
            <s xml:id="echoid-s9038" xml:space="preserve">celeritas fluidi, ex
              <lb/>
            cylindro fluentis, eſt æquabiliter retardata . </s>
            <s xml:id="echoid-s9039" xml:space="preserve">Idcirco
              <note symbol="*" position="right" xlink:label="note-0337-04" xlink:href="note-0337-04a" xml:space="preserve">843.</note>
            iſto vaſe, dum cylindrus evacuatur, fluet dupla aquæ
              <lb/>
            quantitas quàm ex cylindro. </s>
            <s xml:id="echoid-s9040" xml:space="preserve">Si enim duo corpora eadem
              <lb/>
            celeritate propellantur, & </s>
            <s xml:id="echoid-s9041" xml:space="preserve">primum motu æquabili progre-
              <lb/>
            diatur, ſecundum autem motu æquabiliter retardato, & </s>
            <s xml:id="echoid-s9042" xml:space="preserve">
              <lb/>
            moveantur donec hoc totum motum amiſerit, primum in eo
              <lb/>
            tempore percurret ſpatium duplum ſpatii a ſecundo percur-
              <lb/>
            ſi ; </s>
            <s xml:id="echoid-s9043" xml:space="preserve">hìc fluidum, quod effluit, pro ſpatio percurſo
              <note symbol="*" position="right" xlink:label="note-0337-05" xlink:href="note-0337-05a" xml:space="preserve">258. 259.
                <lb/>
              257.</note>
            poteſt, quia foramina ſunt æqualia.</s>
            <s xml:id="echoid-s9044" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s9045" xml:space="preserve">Notavimus ſupra partium cohæſionem motum fluidorum
              <lb/>
              <note position="right" xlink:label="note-0337-06" xlink:href="note-0337-06a" xml:space="preserve">845.</note>
            retardare, contrarium etiam in multis occaſionibus obſer-
              <lb/>
            vamus; </s>
            <s xml:id="echoid-s9046" xml:space="preserve">& </s>
            <s xml:id="echoid-s9047" xml:space="preserve">licet velocitas ex preſſione oriunda, quaſcunque
              <lb/>
            partes verſus eadem ſit, omnium tamen celerrime movetur
              <lb/>
            fluidum, dum verticaliter deſcendit; </s>
            <s xml:id="echoid-s9048" xml:space="preserve">hoc in motu ſuo ca-
              <lb/>
            dendo continuo acceleratur, cum inſequenti cohæret & </s>
            <s xml:id="echoid-s9049" xml:space="preserve">ſe-
              <lb/>
            cum quaſi trahit, velocitatemque fluidi ex vaſe profluentis
              <lb/>
            auget.</s>
            <s xml:id="echoid-s9050" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s9051" xml:space="preserve">Circa aquam quædam obſervabo, quia cum hac experi-
              <lb/>
            menta fuere ſumta, quamvis hæc ipſa etiam ad alia fluida
              <lb/>
            applicari poſſint, magiſque in fluidis glutinoſis hæc ſenſi-
              <lb/>
            bilia forent de quibus tamen hìc non agitur.</s>
            <s xml:id="echoid-s9052" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s9053" xml:space="preserve">Motus ex vaſe, cum quo in inferiori parte tubus con-
              <lb/>
              <note position="right" xlink:label="note-0337-07" xlink:href="note-0337-07a" xml:space="preserve">846.</note>
            jungitur, etiam acceleratur. </s>
            <s xml:id="echoid-s9054" xml:space="preserve">Sit vas tale E æquale & </s>
            <s xml:id="echoid-s9055" xml:space="preserve">ſi-
              <lb/>
              <note position="right" xlink:label="note-0337-08" xlink:href="note-0337-08a" xml:space="preserve">TAB. XXXIX.
                <lb/>
              fig. 7.</note>
            mile vaſi A, & </s>
            <s xml:id="echoid-s9056" xml:space="preserve">quod cum tubo altitudinem habeat vaſis B;</s>
            <s xml:id="echoid-s9057" xml:space="preserve"/>
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