Tyndall, John, 1820-1893 · New York : Appleton · leaf 138
segments, and a rider of blue paper at the node. Passingthe bow across the short segment you observe a flutteringof the red riders, and now they are completely tossed off,while the blue rider which crosses the node is undisturbed,Fig. 42. Damping the string at the end of one-fourth of its Fie. 42. … length, the bow is drawn across the shorter section; theremaining three-fourths divide themselves into three ven 132 SOUND. tral segments, with two nodes between them. This isproved by the unhorsing of the three riders placed astridethe ventral segments, the two at the nodes keeping theirplaces…
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