Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 360
Fro. 41G.—A siinijle method of pro-(lueiti^ a pure speclruiu. L is thelisflit source hehincl a slit .S, and SPis about 10 feet. … Fia. 417.—A singrleprisiii spectroscope. Fio. 41S —A horizontal section of usinyle-prisni spectroscope. If a small telescope is placed between the prism and theeye, and focussed on the slit, the spectrum will be seen tobetter advantage. But the most satisfactory^ method is to use a…
Physics
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