THE maintenance of oscillations of a sonometer wire by the passage of an alternating current through it has been studied in detail by Krishnaiyer and others (Phil. Mag., 1922, etc.). If, however, ...
IN a communication in NATURE of May 31, p. 819, Messrs. D. V. Gogate and Y. G. Naik describe an experiment showing that a vibrating sonometer wire undergoes a lowering in frequency when placed in a ...
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