Lockyer, Norman, Sir, 1836-1920. n 86860325 · London : Kegan Paul. Trench, Trubner & Co. · leaf 70
52 Studies in Spectrum Analysis. if they consist of two different elements, we have three distinct spectra produced (Fig. 15). In the upper part, a region rich in the lower vapour ; in the lower, one rich in the upper vapour ; between them one which is rich in neither. VVe have then at least three… … Fig. 15.— Copy of a photograph of the spectrum of the spark between poles of zinc nnd cadmium, showing the separation ot the three spectra. of the lower one, and also of the central region. The number of particles of each vapour will decrease from each pole. W e see in a moment that much the same…
Spectrum analysis · Color
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