Six lectures on light : delivered in America in 1872-1878 (1886)
Tyndall, John, 1820-1893 · New York : D. Appleton · leaf 114
nd blue. Theaspect of the bands in red, green, and violet light isrepresented in fig. 18. Wlien white light, therefore,passes through the slit the various colours are notsuperposed, and instead of a series of monochromaticbands, separated from each other by intervals of dark-ness, we have a series… … by an electric current is employed, substantially thesame effects are observed. § 11. Appiication of the Wave-theoinj to tfte Phe-nomena of Diffraction. Of these and of a multitude of similar effects theEmission Theory is incompetent to offer any satisfactoryexplanation. Let us see how they are…
Light
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