Abstract
ON a visit to the Cambridge Physiological Laboratory not long ago Dr. Hartridge demonstrated an apparatus of his design that showed the effect of a repeated sinusoid vibration on a series of pendulums of different periods. Each of a series of weights was suspended from a horizontal bar. The strings were all of different lengths; each pendulum had thus a different period. The horizontal bar was connected with a wheel so that it could be moved back and forth harmonically.
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SCRIPTURE, E. The Helmholtz Theory of Hearing. Nature 109, 518 (1922). https://doi.org/10.1038/109518a0
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DOI: https://doi.org/10.1038/109518a0
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