Elementary treatise on physics, experimental and applied : for the use of colleges and schools (1906)
Ganot, A. (Adolphe), 1804-1887, Atkinson, Edmund, 1831-1901, Reinold, A. W. (Arnold William), 1843-1921 · New York : Wood · leaf 300
nishing a possible clue to the solution of the problemof attraction in general. 293. Phonograph. Graphophone.—In the year 1877 Edison dexiscd theapparatus known as the phonograph for recording and reproducing sound,which was equally remarkable for the simplicity of its construction and for… … Fig. 293 -293] Edisons Phonograph 283 be rotated beneath a mouthpiece E, by means of a winch-handle M, the speedof rotation being controlled by a fly-wheel attached to one end of the spindleAA. Upon the cylindrical surface of C was cut a helical groove, and oneend of the spindle A was formed into a…
Physics
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