Tyndall, John, 1820-1893 · London : Longmans, Green · leaf 164
on a suitable stand. Damping it YIBEATIOXS OF SQUAEE PLATES. 141 with the finger and thumb of my left hand at two pointsof its edge, and drawing the bow with my right across avibrating portion of the opposite edge, the complicatedpattern represented in fig. 67 is obtained. The beautiful series of… … defined figures are formed by the sweep of the bow of askilful experimenter. § 8. Wheatstone^s Analysis of the Vibrations ofSquare Plates, And now let us look a little more closely into themechanism of these vibrations. The manner in which abar free at both ends divides itself when it vibrates…
Sound
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