Tyndall, John, 1820-1893 · London : Longmans, Green · leaf 156
e deepest tone of a rod free at both ends ishigher than the deepest tone of a rod fixed at one end inthe proportion of 4 : 25. Beginning with the first twonodes, the rates of vibration of the free rod rise in thefollowing proportion:— Number of nodes . . . . 2, 3, 4, 5, 6, 7. Numbers to the squares… … For musical purposes the first division only of a freerod has been employed. When bars of wood, of differentlengths, widths, and depths, are strung along a cord whichpasses through the nodes, we have the claque-hois of theFrench, an instrument now before you, A B, fig. 61.Supporting the cord at one…
Sound
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