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 368
FORKS 353 the tracing will present an appearance like that shown inFig. 324. The experiment should only be tried with afork especially constructed to carry the smoked plate.The latter must be very securely clamped, and the otherprong must carry a counterbalancing weight. 320. The Optical Study of… … Fig. 325. the screen. When the fork vibrates, this image will be drawnout into a line or band. When viewed in a revolvingmirror it may be resolved into a sinusoidal curve. With
Physics
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