A text book of physics, for the use of students of science and engineering (1918)
Duncan, John, d. 1941, Starling, Sydney George, 1873- · London Macmillan · leaf 789
s caused to repeat itsoriginal motion, and in doing so sets the air in the bell-shapedIn nil H (Fig. 707) in vibration in a manner similar to the originalsound waven, which are thus reproduced. In the original phono-graph of Edison, tinfoil was used instead of wax, but the latter soonsuperseded the… … EXERCISES 765 [riven by clockwork. Then, too, there is an arrangement for feedinghe cutting point, or the reproducer, forward, so that the trace cut inhe wax is in the form of a helix running from one end of the cylinder po the other. In the latest types, the cylinder is replaced by a disc,;o that…
Physics
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
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