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.
Page: 341 (221)
[302.] Machina Alia qua Fluidorum Denſitates conferuntur.
Page: 341 (221)
[303.] Experimentum 3.
Page: 342 (222)
[304.] CAPUT V. De hydroſtatica Solidorum Comparatione.
Page: 342 (222)
[305.] Machina Qua ſolidorum Corporum Denſitates conferuntur.
Page: 343 (223)
[306.] Experimentum
Page: 343 (223)
[307.] Machina2. Qua Corporum ſolidorum Denſitates conferuntur.
Page: 344 (224)
[308.] LIBRI II. Pars II. De Motu & Reſiſtentiâ Fluidorum. CAPUT VI. De celeritate fluidi, ex preſſione fluidi ſuperincum-bentis.
Page: 349 (226)
[309.] Machina Qua Experimenta de Fluidis proſilientibus inſti-tuuntur.
Page: 350 (227)
[310.] Experimentum1.
Page: 351 (228)
[311.] Experimentum2.
Page: 351 (228)
[312.] CAPUT VII. De Fluidis proſilientibus.
Page: 352 (229)
[313.] Experimentum i.
Page: 353 (230)
[314.] Experimentum2.
Page: 353 (230)
[315.] Experimentum3.
Page: 354 (231)
[316.] Machina, Qua inſtituuntur Experimenta de Fluidis oblique proſilientibus.
Page: 356 (233)
[317.] Experimentum 4.
Page: 358 (235)
[318.] Experimentum 5.
Page: 359 (236)
[319.] Experimentum 6.
Page: 359 (236)
[320.] Experimentum 7.
Page: 359 (236)
[321.] Experimentum 8.
Page: 363 (237)
[322.] Experimentum 9.
Page: 364 (238)
[323.] CAPUT VIII. De Fluido ex vaſis profluente, & Irregularitatibus in boc motu.
Page: 364 (238)
[324.] Experimentum i.
Page: 368 (242)
[325.] Experimentum 2.
Page: 370 (244)
[326.] Experimentum 3.
Page: 370 (244)
[327.] Experimentum 4.
Page: 371 (245)
[328.] Experimentum 5.
Page: 371 (245)
[329.] SCHOLIUM.
Page: 372 (246)
[330.] CAPUT IX. De Curſu Fluminum. Definitio 1.
Page: 372 (246)
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              <pb o="227" file="0319" n="350" rhead="MATHEMATICA. LIB. II. CAP. VI."/>
            ctionem fluidi in particulam, qua actione velocitas particulæ
              <lb/>
            communicatur, pendere a tali deſcenſu particularum quo
              <lb/>
            locus a particula occupatus impletur. </s>
            <s xml:id="echoid-s8540" xml:space="preserve">Deſcenſus autem hic-
              <lb/>
              <note position="right" xlink:label="note-0319-01" xlink:href="note-0319-01a" xml:space="preserve">TAB XXXIII.
                <lb/>
              fig. 1.</note>
            ce, ſi A ſit particula mota, cujus diameter ſit d e, quo-
              <lb/>
            modocunque concipiatur, valet deſcenſum totius colu-
              <lb/>
            mnæ BC ad profunditatem d e, poſitâ C in ſuperficie fluidi;
              <lb/>
            </s>
            <s xml:id="echoid-s8541" xml:space="preserve">& </s>
            <s xml:id="echoid-s8542" xml:space="preserve">vis in hoc deſcenſu acquiſita tota impenditur actione
              <lb/>
            in particulam motam, cui ergo vis communicatur æqualis
              <lb/>
            illi quam columna hæc BD in deſcenſu hoc per d e acquirit,
              <lb/>
            eſtque hæc æqualis illi quam particula acquireret cadendo
              <lb/>
            ab altitudine CB .</s>
            <s xml:id="echoid-s8543" xml:space="preserve"/>
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          <note symbol="*" position="right" xml:space="preserve">471.</note>
          <p>
            <s xml:id="echoid-s8544" xml:space="preserve">Hinc ſequitur fluidum preſſione fluidi ſuperincumbentis,
              <lb/>
              <note position="right" xlink:label="note-0319-03" xlink:href="note-0319-03a" xml:space="preserve">796.</note>
            (ab hac enim pendet etiam preſſio lateralis) ex foramine
              <lb/>
            ea proſilire velocitate, quam corpus acquirit cadendo à ſupre-
              <lb/>
            ma fluidi ſuperficie ad for amen uſque; </s>
            <s xml:id="echoid-s8545" xml:space="preserve">ſepoſitâ nempe, ut
              <lb/>
            in hac demonſtratione, partium cobæſione, quæ licet exi-
              <lb/>
            gua ſit, in fluidis plerisque tamen obſervatur; </s>
            <s xml:id="echoid-s8546" xml:space="preserve">qua cohæ-
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            ſione particulæ exeuntes retinentur; </s>
            <s xml:id="echoid-s8547" xml:space="preserve">ideoque retardantur.
              <lb/>
            </s>
            <s xml:id="echoid-s8548" xml:space="preserve">Sed & </s>
            <s xml:id="echoid-s8549" xml:space="preserve">præter hanc retardationem, quæ ab ipſo fluido pen-
              <lb/>
            det, ex variis aliis cauſis extraneis velocitas fluidi minuitur,
              <lb/>
            de quibus in capite ſequenti agam.</s>
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        <div xml:id="echoid-div1221" type="section" level="1" n="309">
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            <emph style="sc">Machina</emph>
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          <head xml:id="echoid-head433" style="it" xml:space="preserve">Qua Experimenta de Fluidis proſilientibus inſti-
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          tuuntur.</head>
          <p>
            <s xml:id="echoid-s8551" xml:space="preserve">Parallelopipedum ligneum AB, longitudinis & </s>
            <s xml:id="echoid-s8552" xml:space="preserve">latitudi-
              <lb/>
              <note position="right" xlink:label="note-0319-04" xlink:href="note-0319-04a" xml:space="preserve">797.</note>
            nis quindecim pollicum, & </s>
            <s xml:id="echoid-s8553" xml:space="preserve">altitudinis duorum pedum, a-
              <lb/>
              <note position="right" xlink:label="note-0319-05" xlink:href="note-0319-05a" xml:space="preserve">TAB. XXXIII.
                <lb/>
              fig. 2.</note>
            quâ impletur; </s>
            <s xml:id="echoid-s8554" xml:space="preserve">ita diſponitur ut fundus ejus elevetur circi-
              <lb/>
            ter decem pollicibus ſupra fundum horizontalem arcæ li-
              <lb/>
            gneæ CD, cujus longitudo eſt fere quatuor pedum, latitu-
              <lb/>
            do unius pedis cum ſemiſſe, profunditas quinque aut ſex
              <lb/>
            pollicum.</s>
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          <p>
            <s xml:id="echoid-s8556" xml:space="preserve">In F, ad altitudinem circiter ſedecim pollicum ſupra fun-
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            dum arcæ CD, hæret tubus æneus horizontalis, cujus ca-
              <lb/>
            vitatis diameter excedit ſemipollicem; </s>
            <s xml:id="echoid-s8557" xml:space="preserve">pars anterior lami-
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            nâ clauditur, in cujus medio foramen datur diametri par-
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            tis duodecimæ unius pollicis: </s>
            <s xml:id="echoid-s8558" xml:space="preserve">foramen hocce clauditur </s>
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