"Microphone" Quotes from Famous Books
 ... the headpiece of the ship's microphone to his ears Chief Electrician Sammy Smith kept close tabs on the approaching vessel with the underwater telephone. With the receivers to his hears he could hear plainly the swish of the vessel's propeller blades ...
— The Brighton Boys with the Submarine Fleet • James R. Driscoll
... "the fact that the electric arc is sensitive to such small variations in the current over a wide range of frequency has suggested that a direct-current arc might be used as a telephone receiver. All that is necessary is to superimpose a microphone current on the main arc current, and the arc reproduces sounds and speech distinctly, loud enough to be heard several feet. Indeed, the arc could be used as a transmitter, too, if a sensitive receiver replaced the transmitter at the other end. The things needed are an arc-lamp, an impedance ...
— The Dream Doctor • Arthur B. Reeve |
