Kinsler, Lawrence E. Formerly, U.S. Naval Postgraduate School, Monterey, California.
Last reviewed:August 2020
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A steel instrument consisting of two prongs and a handle which, when struck, emits a tone of fixed pitch. Because of their simple mechanical structure, purity of tone, and constant frequency, tuning forks are widely used as standards of frequency in musical acoustics. In its electrically driven form, a tuning fork serves to control electric circuits by producing frequency standards of high accuracy and stability.
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