Merchant, F. W. (Francis Walter), 1855-1937, Fessenden, Cortez, b. 1852 · Toronto : Copp, Clark · leaf 183
Fig. 141. Fig. 142. 1. Describe the changes which take place in the sound producedin each of the above experiments as the velocity of the rotatingwheel or disc is increased. MUSICAL TONES—PITCH, LOUDNESS AND QUALITY. 175 2. What is the cause of the sounds produced in the secondexperiment ? 3. In…
Physics
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