Elementary treatise on physics, experimental and applied : for the use of colleges and schools (1906)
Ganot, A. (Adolphe), 1804-1887, Atkinson, Edmund, 1831-1901, Reinold, A. W. (Arnold William), 1843-1921 · New York : Wood · leaf 249
is connected with the toothed wheel by means of a strap and amultiplying wheel, thereby causing the toothed wheel to revolve with greatvelocity ; a card, E, is fixed on the frame, and, in revolving, the toothedwheel strikes against it and causes it to vibrate. The card, being struck byeach tooth,… … Fig. 232 When the wheel is moved slowly, the separate shocks against the cardare distinctly heard ; but if the velocity is gradually increased, the soundbecomes higher and higher. Having obtained the sound whose number ofvibrations is to be determined, the revolution of the wheel is continued…
Physics
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