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

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        <div xml:id="echoid-div2369" type="section" level="1" n="594">
          <pb o="(106)" file="0624" n="689" rhead="PHYSICES ELEMENTA"/>
          <p style="it">
            <s xml:id="echoid-s15927" xml:space="preserve">Ex ſimili cauſà deducuntur mutationes in coloribus quo-
              <lb/>
            rundam liquidorum, ex permixtione cum aliis liquidis. </s>
            <s xml:id="echoid-s15928" xml:space="preserve">Sæ-
              <lb/>
              <note position="left" xlink:label="note-0624-01" xlink:href="note-0624-01a" xml:space="preserve">916.</note>
            pè particulæ ſalinæ, natantes inuno liquido, ſeſe jungunt par-
              <lb/>
            ticulis ſalinis natantibus in alio; </s>
            <s xml:id="echoid-s15929" xml:space="preserve">aut, ex actione particularum
              <lb/>
            ſupervenientium, ſeparantur particulæ junctæ, quibus omnibus
              <lb/>
            mutatur particularum craſſities, & </s>
            <s xml:id="echoid-s15930" xml:space="preserve">cum hac liquidorum co-
              <lb/>
            lor .</s>
            <s xml:id="echoid-s15931" xml:space="preserve">
              <note symbol="*" position="left" xlink:label="note-0624-02" xlink:href="note-0624-02a" xml:space="preserve">888.</note>
            </s>
          </p>
          <p style="it">
            <s xml:id="echoid-s15932" xml:space="preserve">Liquidi aliquando diverſus eſt color, ſiradiis reflexis, quàm
              <lb/>
              <note position="left" xlink:label="note-0624-03" xlink:href="note-0624-03a" xml:space="preserve">917.</note>
            ſi tranſmiſſis, videatur: </s>
            <s xml:id="echoid-s15933" xml:space="preserve">unde hoc oriatur antea vidimus .</s>
            <s xml:id="echoid-s15934" xml:space="preserve"/>
          </p>
          <note symbol="*" position="left" xml:space="preserve">887.</note>
        </div>
        <div xml:id="echoid-div2380" type="section" level="1" n="595">
          <head xml:id="echoid-head777" xml:space="preserve">
            <emph style="sc">Experimentum</emph>
          4.</head>
          <p>
            <s xml:id="echoid-s15935" xml:space="preserve">Infuſio ligni nephritici, non nimium ſatura, reflexis radiis,
              <lb/>
            coerulea apparet, flava videtur, ſi inter lumen & </s>
            <s xml:id="echoid-s15936" xml:space="preserve">oculum de-
              <lb/>
            tur phiala infuſionem continens.</s>
            <s xml:id="echoid-s15937" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div2381" type="section" level="1" n="596">
          <head xml:id="echoid-head778" xml:space="preserve">
            <emph style="sc">Experimentum</emph>
          5.</head>
          <p>
            <s xml:id="echoid-s15938" xml:space="preserve">Si in infuſione ligni nephritici infundatur ſpiritus aceti vi-
              <lb/>
            ni, flava apparet quomodocunque videatur.</s>
            <s xml:id="echoid-s15939" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s15940" xml:space="preserve">In hoc caſu particularum craſſities mutatur, & </s>
            <s xml:id="echoid-s15941" xml:space="preserve">radii per
              <lb/>
            ſingulas particulas tranſmiſſi intercipiuntur; </s>
            <s xml:id="echoid-s15942" xml:space="preserve">licèt verò liquor
              <lb/>
            inter oculum & </s>
            <s xml:id="echoid-s15943" xml:space="preserve">lumen ponatur radiis reflexis videtur, nam
              <lb/>
            tales radios ad oculum pervenire ex variis reflectionibus, quas
              <lb/>
            lumen in liquido patitur, facile concipimus. </s>
            <s xml:id="echoid-s15944" xml:space="preserve">Hicce autem
              <lb/>
            color ſolus ſenſibilis eſt, quia radii directè per liquidum pe-
              <lb/>
            netrare non poſſunt.</s>
            <s xml:id="echoid-s15945" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s15946" xml:space="preserve">Ex hoc ipſo deducimus, quare liquidum coloratum, in vi-
              <lb/>
              <note position="left" xlink:label="note-0624-05" xlink:href="note-0624-05a" xml:space="preserve">918.</note>
            tro figuræ coni inverſi, ſi detur inter oculum & </s>
            <s xml:id="echoid-s15947" xml:space="preserve">lumen, di-
              <lb/>
            verſi coloris appareat, in variis vaſeos partibus; </s>
            <s xml:id="echoid-s15948" xml:space="preserve">Inferiori
              <lb/>
            parte non omnes radii per particulas tranſmiſſi intercipiun-
              <lb/>
            tur, magis ac magis intercipiuntur, quo majori copiâ liqui-
              <lb/>
            dum inter oculum & </s>
            <s xml:id="echoid-s15949" xml:space="preserve">lumen detur; </s>
            <s xml:id="echoid-s15950" xml:space="preserve">donec tandem omnes in-
              <lb/>
            tercipiantur & </s>
            <s xml:id="echoid-s15951" xml:space="preserve">ſoli à particulis reflexi liquidum penetrent; </s>
            <s xml:id="echoid-s15952" xml:space="preserve">in
              <lb/>
            quo calu color coincidit cum colore liquidi, radiis reflexis viſi.</s>
            <s xml:id="echoid-s15953" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s15954" xml:space="preserve">Nubes ſæpe pulcherrimè coloratæ apparent; </s>
            <s xml:id="echoid-s15955" xml:space="preserve">conſtant ex
              <lb/>
              <note position="left" xlink:label="note-0624-06" xlink:href="note-0624-06a" xml:space="preserve">920.</note>
            particulis aqueis quibus interjacet aër, pro variâ idèo partï-
              <lb/>
            cularum aquearum craſſitie, color diverſus in nube dabitur .</s>
            <s xml:id="echoid-s15956" xml:space="preserve">
              <note symbol="*" position="left" xlink:label="note-0624-07" xlink:href="note-0624-07a" xml:space="preserve">888.</note>
            </s>
          </p>
        </div>
        <div xml:id="echoid-div2384" type="section" level="1" n="597">
          <head xml:id="echoid-head779" xml:space="preserve">FINIS LIBRI TERTII.</head>
        </div>
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