Elementary treatise on physics experimental and applied for the use of colleges and schools (1890)
Ganot, A. (Adolphe), 1804-1887, Atkinson, E. (Edmund) · New York : W. Wood · leaf 255
ndia-rubbertube c^/be half the wave-length of the note produced by the fork, the soundswill reach the ear in completely opposite phases ; they will accordinglyneutralise each other and no sound will be heard. But if this india-rubbertube is closed by pinching it, the note is at once heard. If the… … Fig. 232.
Physics
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