Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 59
mill Fig. 57—Fundamental Diagram of Induction Coil. 48 PRACTICAL WIRELESS TELEGRAPHY. 3a … Fig. 58—Wave Form of Secondary Induced Currents. (o) Interrupters. In addition to the magnetic interrupter shown in Fig. 59there are several types of interrupters for induction coils, but since they are seldomused in modern wireless systems, they will not be described. The electrolytic interrupter…
Telegraph, Wireless
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