Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 360
Fio. 41C.—A simple method of pro-fluoirif^ a pure spectrum. L ia thelight source behind a slit S, and SPia about 10 feet. … Fia. 417.—A sing^leprism spectroscope. Fig. 418 —A horizontal section of asing-le-prism spectroscope. If a small telescope is placed between tlio prism and theeye, and focussed on the slit, the spectrum will be seen tobetter advantage. But the most satisfactory method is to use a spectroscope,which…
Physics
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