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

Table of contents

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[301.] Experimentum 2.
[302.] Machina Alia qua Fluidorum Denſitates conferuntur.
[303.] Experimentum 3.
[304.] CAPUT V. De hydroſtatica Solidorum Comparatione.
[305.] Machina Qua ſolidorum Corporum Denſitates conferuntur.
[306.] Experimentum
[307.] Machina2. Qua Corporum ſolidorum Denſitates conferuntur.
[308.] LIBRI II. Pars II. De Motu & Reſiſtentiâ Fluidorum. CAPUT VI. De celeritate fluidi, ex preſſione fluidi ſuperincum-bentis.
[309.] Machina Qua Experimenta de Fluidis proſilientibus inſti-tuuntur.
[310.] Experimentum1.
[311.] Experimentum2.
[312.] CAPUT VII. De Fluidis proſilientibus.
[313.] Experimentum i.
[314.] Experimentum2.
[315.] Experimentum3.
[316.] Machina, Qua inſtituuntur Experimenta de Fluidis oblique proſilientibus.
[317.] Experimentum 4.
[318.] Experimentum 5.
[319.] Experimentum 6.
[320.] Experimentum 7.
[321.] Experimentum 8.
[322.] Experimentum 9.
[323.] CAPUT VIII. De Fluido ex vaſis profluente, & Irregularitatibus in boc motu.
[324.] Experimentum i.
[325.] Experimentum 2.
[326.] Experimentum 3.
[327.] Experimentum 4.
[328.] Experimentum 5.
[329.] SCHOLIUM.
[330.] CAPUT IX. De Curſu Fluminum. Definitio 1.
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              <pb o="201" file="0283" n="309" rhead="MATHEMATICA. LIB. II. CAP. I."/>
            ſu arceant; </s>
            <s xml:id="echoid-s7786" xml:space="preserve">ipſam vero gravitatem eo non deſtrui liquet,
              <lb/>
            cum vaſe contentum fluidum pro ſua quantitate gravet li-
              <lb/>
            bram, cui vas appenditur; </s>
            <s xml:id="echoid-s7787" xml:space="preserve">etiam ſequenti Experimento
              <lb/>
            ubique in fluido particulas gravitatem ſervare probatur.</s>
            <s xml:id="echoid-s7788" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div1083" type="section" level="1" n="264">
          <head xml:id="echoid-head376" xml:space="preserve">
            <emph style="sc">Bilanx</emph>
            <emph style="sc">Hydrostatica</emph>
          .</head>
          <p>
            <s xml:id="echoid-s7789" xml:space="preserve">In hoc, ut & </s>
            <s xml:id="echoid-s7790" xml:space="preserve">in aliis multis Experimentis Hydroſtaticis,
              <lb/>
              <note position="right" xlink:label="note-0283-01" xlink:href="note-0283-01a" xml:space="preserve">705.</note>
            id eſt, circa gravitatem fluidorum, utimur bilance, quan-
              <lb/>
              <note position="right" xlink:label="note-0283-02" xlink:href="note-0283-02a" xml:space="preserve">
                <emph style="sc">TAB. XXVII,</emph>
                <lb/>
              fig. 1.</note>
            tum fieri poteſt, exacta, jugi longitudo eſt circiter octo pol-
              <lb/>
            licum; </s>
            <s xml:id="echoid-s7791" xml:space="preserve">in medio inferiorum ſuperficierum lancium unci
              <lb/>
            junguntur, quibus corpora fluidis immergenda ſuſpendun-
              <lb/>
            tur; </s>
            <s xml:id="echoid-s7792" xml:space="preserve">cum lancibus etiam ſingulis cohærent pedes tres mino-
              <lb/>
            res, longitudinis circiter ſemi pollicis, quibus ſuſtinentur
              <lb/>
            quando lances, ſuſpensâ bilance, tabellæ T imponuntur.</s>
            <s xml:id="echoid-s7793" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s7794" xml:space="preserve">Suſpenditur autem bilanx duobus funibus, qui ſinguli
              <lb/>
            duobus trochleis cum columna C cohærentibus, ut A & </s>
            <s xml:id="echoid-s7795" xml:space="preserve">B,
              <lb/>
            circumponuntur ita, ut moto pondere P, bilanx elevetur,
              <lb/>
            & </s>
            <s xml:id="echoid-s7796" xml:space="preserve">deprimatur, donec lances ipſi tabellæ T imponantur.</s>
            <s xml:id="echoid-s7797" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s7798" xml:space="preserve">In tabella hac foramina duo, diametri trium partium
              <lb/>
            quartarum pollicis, dantur, quæ uncis lancium reſpondent,
              <lb/>
            & </s>
            <s xml:id="echoid-s7799" xml:space="preserve">per quæ tranſeunt fila ænea, aut capilli equini, quibus
              <lb/>
            corpora libræ applicanda uncis junguntur.</s>
            <s xml:id="echoid-s7800" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s7801" xml:space="preserve">Duplicem adhibemus funem, ut bilancis circumvolutio-
              <lb/>
            nem cohibeamus, ipſius autem nimiam agitationem vita-
              <lb/>
            mus, imponendo lances tabellæ T, & </s>
            <s xml:id="echoid-s7802" xml:space="preserve">haſce dein lente
              <lb/>
            paululum tantum elevando.</s>
            <s xml:id="echoid-s7803" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div1085" type="section" level="1" n="265">
          <head xml:id="echoid-head377" xml:space="preserve">
            <emph style="sc">Experimentum</emph>
          1.</head>
          <p>
            <s xml:id="echoid-s7804" xml:space="preserve">Phiala D clauſa, libræ memoratæ capillo equino juncta,
              <lb/>
              <note position="right" xlink:label="note-0283-03" xlink:href="note-0283-03a" xml:space="preserve">706.</note>
            aquâ immergitur, & </s>
            <s xml:id="echoid-s7805" xml:space="preserve">pondere lanci E impoſito datur æqui-
              <lb/>
            librium; </s>
            <s xml:id="echoid-s7806" xml:space="preserve">ſi phiala, manente immerſâ, aperiatur & </s>
            <s xml:id="echoid-s7807" xml:space="preserve">aquâ im-
              <lb/>
            pleatur, aqua in phiala gravabit libram, licet cum aqua ex-
              <lb/>
            teriori communicationem habeat; </s>
            <s xml:id="echoid-s7808" xml:space="preserve">ſi novo pondere æquili-
              <lb/>
            brium inſtauretur, ſervabitur ad quamcumque altitudinem
              <lb/>
            phiala aquâ immergatur.</s>
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          </p>
          <p>
            <s xml:id="echoid-s7810" xml:space="preserve">Ex hac gravitate ſequitur, ſuperficiem fluidi, vaſe in-
              <lb/>
              <note position="right" xlink:label="note-0283-04" xlink:href="note-0283-04a" xml:space="preserve">707.</note>
            cluſi ne effluat, ſi ſuperne illud non prematur, aut æqualiter
              <lb/>
            prematur, quo gravitatis actio non mutatur, planam </s>
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