A dictionary of electrical words, terms and phrases (1896)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W.J. Johnston company · leaf 407
electric motor or by clockwork. In order to reproduce the speech or othersounds the phonogram record is placed on thesurface of a cylinder similar to that on which itwas received (or is kept on the same surface),and the tracing point, placed at the beginning ofthe record and being maintained… … Edison s Improved Fhonograph. the diaphragm, to which it is attached, is given to-and-fro motions that exactly correspond to theto-and-fro motions it had when impressed origin-ally by the sounds it recorded on the phono-gram record. A person listening at this dia - Pho.] 396 [Pho. phragm will…
Electricity · Electrical engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
