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

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            clauditurque communicatio antliæ B cum vaſe, & </s>
            <s xml:id="echoid-s11265" xml:space="preserve">nova
              <lb/>
            cum aëre externo reſeratur; </s>
            <s xml:id="echoid-s11266" xml:space="preserve">contrarium reſpectu antliæ A
              <lb/>
            locum habet.</s>
            <s xml:id="echoid-s11267" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s11268" xml:space="preserve">Durante hac epiſtomiorum agitatione, elevatur quidem
              <lb/>
            Q, ſed embolusipſe fundo antliæ A applicatus manet; </s>
            <s xml:id="echoid-s11269" xml:space="preserve">quod
              <lb/>
            deſideratur ne aër externus iterum in antliam intret, & </s>
            <s xml:id="echoid-s11270" xml:space="preserve">
              <lb/>
            quod quomodo fiat in deſcriptione embolorum dixi-
              <lb/>
            mus.</s>
            <s xml:id="echoid-s11271" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s11272" xml:space="preserve">Si nunc motus rotæ continuetur, elevatur embolus an-
              <lb/>
            tliæ A, quæ cum vaſe exhauriendo communicationem ha-
              <lb/>
            bet, & </s>
            <s xml:id="echoid-s11273" xml:space="preserve">ex antlia B aër ejicitur, extremitasque M crucis ſu-
              <lb/>
            per rotula T tranſit, clavuſque K in vectem Spremit, & </s>
            <s xml:id="echoid-s11274" xml:space="preserve">
              <lb/>
            quæ in motu contrario fuere explicata, in hoc caſu eodem
              <lb/>
            modo, obtinent.</s>
            <s xml:id="echoid-s11275" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s11276" xml:space="preserve">Rota agitatur manubrio MM, cujus longitudo eſt cir-
              <lb/>
              <note position="left" xlink:label="note-0418-01" xlink:href="note-0418-01a" xml:space="preserve">TAB. XXXIX.
                <lb/>
              fig. 1.</note>
            citer duorum pedum, & </s>
            <s xml:id="echoid-s11277" xml:space="preserve">quod in ſitu datur horizontali, dum
              <lb/>
            pars HK crucis eſt verticalis.</s>
            <s xml:id="echoid-s11278" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s11279" xml:space="preserve">Quando in hac agitatione contingit, majorem dari reſi-
              <lb/>
            ſtentiam, ubi epiſtomia moventur, quàm in reliquo motu,
              <lb/>
            indicium hoc eſt, oleo & </s>
            <s xml:id="echoid-s11280" xml:space="preserve">cerâ eliniri debere epiſtomia; </s>
            <s xml:id="echoid-s11281" xml:space="preserve">quod
              <lb/>
            in tempeſtate calidiori repeti debet, ubi per tres aut qua-
              <lb/>
            tuor horas machina in continuo fuit motu.</s>
            <s xml:id="echoid-s11282" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s11283" xml:space="preserve">Quod ſpectat epiſtomia E, E, ſuperius memorata, uno,
              <lb/>
            communicatio, exhauſtio aëre, clauditur inter vas exhau-
              <lb/>
            ſtum & </s>
            <s xml:id="echoid-s11284" xml:space="preserve">cylindros; </s>
            <s xml:id="echoid-s11285" xml:space="preserve">altero, aër de novo vaſe intromittitur,
              <lb/>
            & </s>
            <s xml:id="echoid-s11286" xml:space="preserve">cummunicatio impeditur cum indice mercuriali.</s>
            <s xml:id="echoid-s11287" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s11288" xml:space="preserve">Index hicce mercurialis in hac figura commode repræ-
              <lb/>
            ſentari non potuit; </s>
            <s xml:id="echoid-s11289" xml:space="preserve">hujus uſus eſt determinatio quantitatis
              <lb/>
            aëris ex vaſe exhauſti, ut & </s>
            <s xml:id="echoid-s11290" xml:space="preserve">quantitatis in hoc ſuperſtitis;
              <lb/>
            </s>
            <s xml:id="echoid-s11291" xml:space="preserve">eo etiam vaſorum exhauriendorum capacitates menſurantur; </s>
            <s xml:id="echoid-s11292" xml:space="preserve">
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            quæ ut exacte notæ ſint in variis Experimetis deſideratur; </s>
            <s xml:id="echoid-s11293" xml:space="preserve">
              <lb/>
            index noſter a vulgaribus differt.</s>
            <s xml:id="echoid-s11294" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s11295" xml:space="preserve">In D ſæpe ope cochleæ orbi jungitur cylindrus parvus,
              <lb/>
            cochlea circumdatus, quo globus exhauriendus, aut vas ali-
              <lb/>
            ud, machinæ applicari poteſt,</s>
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