Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 213
202 QUALITY—VIBRATING FLAMES—BEATS … Fig. 237.—A simple form of man- given. On singing the vowel e at the pitch C we obtainimages as at F\ and G is obtained on singing o at thesame pitch. From the figures it will be seen that the last three notes arecomplex sounds. These dancing images have been success-fully photographed on a moving…
Physics
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