Voltaire, Elémens de la philosophie de Neuton : mis à la portée de tout le monde

Table of Notes

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            <s xml:id="echoid-s1942" xml:space="preserve">
              <pb o="149" file="0169" n="169" rhead="DE NEUTON."/>
            obliquement ſur ſa petite ſurface, que le
              <lb/>
            rayon rouge B. </s>
            <s xml:id="echoid-s1943" xml:space="preserve">ne tombe ſur la ſienne? </s>
            <s xml:id="echoid-s1944" xml:space="preserve">Ainſi
              <lb/>
            tous deux viennent au point R. </s>
            <s xml:id="echoid-s1945" xml:space="preserve">par diffé-
              <lb/>
            rens chemins.</s>
            <s xml:id="echoid-s1946" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1947" xml:space="preserve">Le rayon rouge C. </s>
            <s xml:id="echoid-s1948" xml:space="preserve">tombant ſur ſa petite
              <lb/>
            ſurface encore moins obliquement ſe rompt
              <lb/>
            bien moins, & </s>
            <s xml:id="echoid-s1949" xml:space="preserve">arrive auſſi au point R. </s>
            <s xml:id="echoid-s1950" xml:space="preserve">en
              <lb/>
            ne ſe briſant que très-peu.</s>
            <s xml:id="echoid-s1951" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1952" xml:space="preserve">J’ai donc déja trois rayons rouges, c’eſt-
              <lb/>
              <note position="right" xlink:label="note-0169-01" xlink:href="note-0169-01a" xml:space="preserve">Explica-
                <lb/>
              tion de
                <lb/>
              ce phé-
                <lb/>
              nomê-
                <lb/>
              ne.</note>
            à-dire, trois faiſceaux de rayons rouges,
              <lb/>
            qui aboutiſſent au même point R.</s>
            <s xml:id="echoid-s1953" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1954" xml:space="preserve">A ce point R. </s>
            <s xml:id="echoid-s1955" xml:space="preserve">chacun fait un angle de
              <lb/>
            réflexion égal à ſon angle d’incidence, cha-
              <lb/>
            cun ſe briſe à ſon émergence de la boule,
              <lb/>
            en s’éloignant de la perpendiculaire de la
              <lb/>
            nouvelle petite ſurface qu’il rencontre, de
              <lb/>
            même que chacun s’eſt rompu à ſon inci-
              <lb/>
            dence en s’approchant de ſa perpendicule;
              <lb/>
            </s>
            <s xml:id="echoid-s1956" xml:space="preserve">donc tous reviennent parallèles, donctous
              <lb/>
            entrent dans l’œil, ſelon l’ouverture de l’an-
              <lb/>
            gle propre aux rayons rouges.</s>
            <s xml:id="echoid-s1957" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1958" xml:space="preserve">S’il y a une quantité ſuffiſante de ces traits
              <lb/>
            homogênes rouges pour ébranler le nerf </s>
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