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

Table of Notes

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            choſe qui arrive aux corps en mouvement,
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            les loix du mouvement ſont invariables.
              <lb/>
            </s>
            <s xml:id="echoid-s1661" xml:space="preserve">Nous avons déja vu que la réflection, la
              <lb/>
            réfraction, l’inflexion de la lumiere, ſont
              <lb/>
            les effets d’un pouvoir qui n’eſt point l’im-
              <lb/>
            pulſion (au moins connue): </s>
            <s xml:id="echoid-s1662" xml:space="preserve">ce même pou-
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            voir ſe fait ſentir dans la réfrangibilité; </s>
            <s xml:id="echoid-s1663" xml:space="preserve">ces
              <lb/>
            rayons, qui s’écartent à des diſtances diffé-
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            rentes, nous avertiſſent que le milieu, dans
              <lb/>
            lequel ils paſſent, agit ſur eux inégalement. </s>
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              <lb/>
            Un faiſceau de rayons eſt attiré dans le
              <lb/>
            verre, mais ce faiſceau de rayons eſt com-
              <lb/>
            poſé de maſſes inégales. </s>
            <s xml:id="echoid-s1665" xml:space="preserve">Ces maſſes obéïſ-
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            ſent donc inégalement à ce pouvoir par le-
              <lb/>
            quel le milieu agit ſur elles. </s>
            <s xml:id="echoid-s1666" xml:space="preserve">Le trait de
              <lb/>
            lumiere le plus ſolide, le plus compact, doit
              <lb/>
            réſiſter le plus à ce pouvoir, doit être moins
              <lb/>
              <note position="left" xlink:label="note-0146-01" xlink:href="note-0146-01a" xml:space="preserve">Diffé-
                <lb/>
              rences
                <lb/>
              entreles
                <lb/>
              rayons
                <lb/>
              de la lu-
                <lb/>
              miere.</note>
            détourné de ſa route, doit être le moins
              <lb/>
            réfrangible. </s>
            <s xml:id="echoid-s1667" xml:space="preserve">C’eſt ce que l’expérience con-
              <lb/>
            firme dans tous les milieux, & </s>
            <s xml:id="echoid-s1668" xml:space="preserve">dans tous les
              <lb/>
            cas. </s>
            <s xml:id="echoid-s1669" xml:space="preserve">Le rayon rouge eſt toujours celui qui
              <lb/>
            ſe détourne le moins de ſon chemin; </s>
            <s xml:id="echoid-s1670" xml:space="preserve">le
              <lb/>
            rayon violet eſt toujours celui qui s’en dé-
              <lb/>
            tourne le plus. </s>
            <s xml:id="echoid-s1671" xml:space="preserve">Auſſi le rayon rouge a-t-il
              <lb/>
            le plus de ſubſtance, eſt-il le plus dur, le plus
              <lb/>
            brillant, & </s>
            <s xml:id="echoid-s1672" xml:space="preserve">fatigue-t-il la vûe davantage. </s>
            <s xml:id="echoid-s1673" xml:space="preserve">Le
              <lb/>
            violet qui de tous les rayons colorez </s>
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