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

Table of Notes

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          <pb o="(89)" file="0601" n="663" rhead="MATHEMATICA LIB. III. CAP. XX."/>
        </div>
        <div xml:id="echoid-div2289" type="section" level="1" n="566">
          <head xml:id="echoid-head745" xml:space="preserve">
            <emph style="sc">Experimentum</emph>
          7.</head>
          <p>
            <s xml:id="echoid-s15264" xml:space="preserve">Detur priſma diſpoſitum ut ante memoratum , ubi
              <note symbol="*" position="right" xlink:label="note-0601-01" xlink:href="note-0601-01a" xml:space="preserve">790.</note>
            dimus, agitando priſma circa axem, radios primò tranſeun-
              <lb/>
            tes, auctâ horum inclinatione, in totum reflecti; </s>
            <s xml:id="echoid-s15265" xml:space="preserve">ſi autem
              <lb/>
            lentè in hoc caſu priſma moveatur, videmus radios violaceos
              <lb/>
            ante omnes alios in totum reflecti, deinde indicos; </s>
            <s xml:id="echoid-s15266" xml:space="preserve">& </s>
            <s xml:id="echoid-s15267" xml:space="preserve">cæ-
              <lb/>
            teros alios eo ordine, quo in imagine Solis oblongâ, ſæpiſſi-
              <lb/>
            mè memorata, diſponuntur: </s>
            <s xml:id="echoid-s15268" xml:space="preserve">quod patet ſi reflexi, priſmatis
              <lb/>
            refractione, ſeparentur.</s>
            <s xml:id="echoid-s15269" xml:space="preserve"/>
          </p>
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        <div xml:id="echoid-div2291" type="section" level="1" n="567">
          <head xml:id="echoid-head746" xml:space="preserve">CAPUT XX.</head>
          <head xml:id="echoid-head747" style="it" xml:space="preserve">De Colorum permixtione, ubi de Albore.</head>
          <p>
            <s xml:id="echoid-s15270" xml:space="preserve">RAdiorum refrangibilitatem, & </s>
            <s xml:id="echoid-s15271" xml:space="preserve">colorem, permixtione
              <lb/>
              <note position="right" xlink:label="note-0601-02" xlink:href="note-0601-02a" xml:space="preserve">869.</note>
            radiorum variæ refrangibilitatis non mutari dictum ;</s>
            <s xml:id="echoid-s15272" xml:space="preserve">
              <note symbol="*" position="right" xlink:label="note-0601-03" xlink:href="note-0601-03a" xml:space="preserve">863.</note>
            quod experimentis probandum eſt.</s>
            <s xml:id="echoid-s15273" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div2293" type="section" level="1" n="568">
          <head xml:id="echoid-head748" xml:space="preserve">
            <emph style="sc">Experimentum</emph>
          1.</head>
          <p>
            <s xml:id="echoid-s15274" xml:space="preserve">Inſtituitur hoc, ut tertium capitis præcedentis; </s>
            <s xml:id="echoid-s15275" xml:space="preserve">in hoc co-
              <lb/>
              <note position="right" xlink:label="note-0601-04" xlink:href="note-0601-04a" xml:space="preserve">TAB. XVI.
                <lb/>
              fig. 3.</note>
            lor ruber R, & </s>
            <s xml:id="echoid-s15276" xml:space="preserve">violaceus V, confunduntur, in eodem lo-
              <lb/>
            co regulæ LL cadentes, quæ purpurea in eo loco appa-
              <lb/>
            ret. </s>
            <s xml:id="echoid-s15277" xml:space="preserve">Spectatori tamen, qui hos per priſma BB intuetur,
              <lb/>
            ſeparati apparent colores, & </s>
            <s xml:id="echoid-s15278" xml:space="preserve">neque color, neque refran-
              <lb/>
            gibilitas, hac colorum confuſione mutantur.</s>
            <s xml:id="echoid-s15279" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div2295" type="section" level="1" n="569">
          <head xml:id="echoid-head749" xml:space="preserve">
            <emph style="sc">Experimentum</emph>
          2.</head>
          <p>
            <s xml:id="echoid-s15280" xml:space="preserve">Si oblonga colorata Solis imago, (de qua in exp. </s>
            <s xml:id="echoid-s15281" xml:space="preserve">1. </s>
            <s xml:id="echoid-s15282" xml:space="preserve">cap. </s>
            <s xml:id="echoid-s15283" xml:space="preserve">18.)
              <lb/>
            </s>
            <s xml:id="echoid-s15284" xml:space="preserve">
              <note position="right" xlink:label="note-0601-05" xlink:href="note-0601-05a" xml:space="preserve">TAB. XVII.
                <lb/>
              fig. 2.</note>
            cadat in RV in lentem convexam L, in exp. </s>
            <s xml:id="echoid-s15285" xml:space="preserve">4. </s>
            <s xml:id="echoid-s15286" xml:space="preserve">cap. </s>
            <s xml:id="echoid-s15287" xml:space="preserve">præ-
              <lb/>
            cedentis memoratam, & </s>
            <s xml:id="echoid-s15288" xml:space="preserve">ad diſtantiam ſex aut ſeptem pe-
              <lb/>
            dum à priſmate BB diſpoſitam, radii divergentes refra-
              <lb/>
            ctione lentis convergunt, & </s>
            <s xml:id="echoid-s15289" xml:space="preserve">ad diſtantiam novem aut de-
              <lb/>
            cem pedum ſeſe mutuo interſecant in A; </s>
            <s xml:id="echoid-s15290" xml:space="preserve">ſi ad majorem di-
              <lb/>
            ſtantiam detur Tabula T, radii, qui poſt interſectionem ite-
              <lb/>
            rum divergunt, diſperſi ad hanc perveniunt; </s>
            <s xml:id="echoid-s15291" xml:space="preserve">daturque ite-
              <lb/>
            rum imago oblonga colorata, ſed colores, propter interſe-
              <lb/>
            ctionem in A, contrario ordine diſponuntur, non tamen,
              <lb/>
            permixtione in A, mutantur.</s>
            <s xml:id="echoid-s15292" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div2297" type="section" level="1" n="570">
          <head xml:id="echoid-head750" xml:space="preserve">
            <emph style="sc">Experimentum</emph>
          3.</head>
          <p>
            <s xml:id="echoid-s15293" xml:space="preserve">Omnibus manentibus, ut in Exp. </s>
            <s xml:id="echoid-s15294" xml:space="preserve">præcedenti; </s>
            <s xml:id="echoid-s15295" xml:space="preserve">ſi chartâ
              <lb/>
              <note position="right" xlink:label="note-0601-06" xlink:href="note-0601-06a" xml:space="preserve">TAB. XVII
                <lb/>
              fig. 2.</note>
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