Newall, H. F · London : Society for Promoting Christian Knowledge · leaf 49
FlameStrontiumThalliumSodium . Lithium Spar k. Sun 4668 Cadmium . 4678 F. 4862 5351 . 5086 *>! 5184 5890 . 5379 D„ 5890 5896 Mercury . 5791 Di 5896 6708 Cadmium . 5770. 6439 C. 6563 € For the purpose of judging of the identity of two lines in differentspectra, Kirchhoffdevised the com-parison… … Ill] MODE OF ADJUSTING AND USING A SPECTROSCOPE 43 reflecting prism, but does pass through the rest, aboveand below. A second source to be compared with theother is placed at L in the proper position relativelyto the reflecting prism, so that its light is reflectedby face ef of the prism through…
Spectroscope · Spectrum analysis
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