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="233" file="0325" n="356" rhead="MATHEMATICA. LIB. II. CAP. VII."/>
          <p>
            <s xml:id="echoid-s8713" xml:space="preserve">Fluida, quæ oblique proſiliunt, non ex tot cauſis, neque
              <lb/>
              <note position="right" xlink:label="note-0325-01" xlink:href="note-0325-01a" xml:space="preserve">815.</note>
            tantum, quàm verticaliter proſilientiaretardantur. </s>
            <s xml:id="echoid-s8714" xml:space="preserve">Secun-
              <lb/>
            da retardationis cauſa antea memorata hîc locum non
              <note symbol="*" position="right" xlink:label="note-0325-02" xlink:href="note-0325-02a" xml:space="preserve">802.</note>
            bet, & </s>
            <s xml:id="echoid-s8715" xml:space="preserve">effectus primæ minor eſt. </s>
            <s xml:id="echoid-s8716" xml:space="preserve">De cætero in his locum
              <lb/>
            habent, quæ de ſolidis oblique projectis dicta ſunt in capite
              <lb/>
            20. </s>
            <s xml:id="echoid-s8717" xml:space="preserve">libri primi, & </s>
            <s xml:id="echoid-s8718" xml:space="preserve">fluidum ut innumera ſolida ſeſe mutuo
              <lb/>
              <note position="right" xlink:label="note-0325-03" xlink:href="note-0325-03a" xml:space="preserve">816.</note>
            inſequentia, & </s>
            <s xml:id="echoid-s8719" xml:space="preserve">eandem viam percurrentia, conſiderari
              <lb/>
            poteſt. </s>
            <s xml:id="echoid-s8720" xml:space="preserve">In motu fluidi via percurſa ſenſibilis eſt, & </s>
            <s xml:id="echoid-s8721" xml:space="preserve">quæ
              <lb/>
            de ſolidis oblique projectis dicta ſunt ope fluidorum ad
              <lb/>
            Experimentum vocantur; </s>
            <s xml:id="echoid-s8722" xml:space="preserve">ad quod hydrargyro utendum,
              <lb/>
            propter hujus fluidi, præ cæteris, gravitatem ſpecificam.
              <lb/>
            </s>
            <s xml:id="echoid-s8723" xml:space="preserve">Hæc autem Machinâ peculiari inſtituenda ſunt Experimen-
              <lb/>
            ta.</s>
            <s xml:id="echoid-s8724" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div1247" type="section" level="1" n="316">
          <head xml:id="echoid-head441" xml:space="preserve">
            <emph style="sc">Machina</emph>
          ,</head>
          <head xml:id="echoid-head442" style="it" xml:space="preserve">Qua inſtituuntur Experimenta de Fluidis oblique
            <lb/>
          proſilientibus.</head>
          <p>
            <s xml:id="echoid-s8725" xml:space="preserve">Arca lignea ABCDEFH longitudinis eſt quatuor pe-
              <lb/>
              <note position="right" xlink:label="note-0325-04" xlink:href="note-0325-04a" xml:space="preserve">817.</note>
            dum cum ſemiſſe, latitudinis octo aut decem pollicum, alti-
              <lb/>
              <note position="right" xlink:label="note-0325-05" xlink:href="note-0325-05a" xml:space="preserve">TAB. XXXII.
                <lb/>
              fig. 1.</note>
            tudinis ſex aut ſeptem pollicum. </s>
            <s xml:id="echoid-s8726" xml:space="preserve">Fundus conſtat ex tabula
              <lb/>
            lignea excavata ad profunditatem ſemi-pollicis, ut melius mer-
              <lb/>
            curium contineat.</s>
            <s xml:id="echoid-s8727" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s8728" xml:space="preserve">In extremitate H, lateris EFH, datur aſſer, aut tabula,
              <lb/>
            HI, latitudinis ſex pollicum, altitudinis duorum pedum,
              <lb/>
            in qua datur ſciſſura o t. </s>
            <s xml:id="echoid-s8729" xml:space="preserve">Hujus ope parallelopipedum li-
              <lb/>
            gneum s, cuia poſteriori parte cochlea cohæret, ad altitu-
              <lb/>
            dinem quamcunque firmatur.</s>
            <s xml:id="echoid-s8730" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s8731" xml:space="preserve">Parallelopipedum hoc videtur in S (fig. </s>
            <s xml:id="echoid-s8732" xml:space="preserve">2.) </s>
            <s xml:id="echoid-s8733" xml:space="preserve">huic additur
              <lb/>
            pyxis buxea cylindrica P, quæ ſulco circumdatur, cui in-
              <lb/>
            ſeruntur laminæ duæ æneæ, quarum una videtur in fe, ha-
              <lb/>
            rum extremitates junguntur cochleâ g, qua pyxis immobilis
              <lb/>
            redditur, hæc vero circa axem eſt volubilis, quando relaxa-
              <lb/>
            tur paululum cochlea.</s>
            <s xml:id="echoid-s8734" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s8735" xml:space="preserve">In fundo hujus pyxidis datur cavitas cylindrica ab, diame-
              <lb/>
            tri quartæ partis unius pollicis. </s>
            <s xml:id="echoid-s8736" xml:space="preserve">Habet hæc communicatio-
              <lb/>
            nem cum ſimili cavitate b c, quæ terminatur in medio cavi-
              <lb/>
            tatis majoris c d, cujus diameter ſemi-pollicem excedit, &</s>
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