The outlines of physics: an elementary text-book (1897)
Nichols, E. L. (Edward Leamington), 1854-1937 · New York, The Macmillan Company; London, Macmillan & Co., Ltd. · leaf 360
bration by means of the bow, vibratethus in segments separated from each other by nodal linesrunning from the apex to the lip of the bell. When thebell is in vibration the lip, which is circularin form when at rest, becomes distorted intothe form of an ellipse. (See Fig. 315.)This ellipse changes… … Fig. 314.
Physics
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