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 1036
>52. i ..Iboii microphone. LXXVIH CARBON MICROPHONE 1011 »L … Fig. 953.—Carbon microphone transmitter. plate. The arrangement of the transmitter is given in Fig. 953.D is a thin carbon diaphragm which vibrates in accordance withthe sound waves arriving by the mouthpiece M. A is a carbonblock having corrugations orprotuberances. Between Dand A granules of…
Physics
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