A natural philosophy : embracing the most recent discoveries in the various branches of physics, and exhibiting the application of scientific principles in everyday life .. (1899)
Quackenbos, G. P. (George Payn), 1826-1881 · New York, Cincinnati [etc.], American book company · leaf 459
Operation.—When one talks or sings into the telephone, the mouth-piece T concentrates upon the elastic diaphragm D the sound-waves pro-duced by the voice and reflecting its loudness, pitch, and quality. Corre-sponding vibrations are produced in the diaphragm, the magnet is affected,and electrical…
Physics
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