The Maintenance of Forced Oscillations


PLEASE permit me to add a few words to my note on “The Maintenance of Forced Oscillations of a New Type”, which appeared in NATURE of December 9, 1909. I stated that when a vibrating fork maintains the vibration of a string by periodically varying its tension, the stationary oscillation maintained may have a frequency of half of, equal to, 3/2 times, twice, &c., of that of the fork, each term in the harmonic series appearing separately by itself, or with one or more of the others conjointly, according to circumstances.

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RAMAN, C. The Maintenance of Forced Oscillations. Nature 82, 428–429 (1910).

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