Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 320
ed in series with the dry cell C and the coil L, and if the circuit is complete, a distinct click due to the battery current will be heard when the testing circuit is opened and closed; but if the circuit is open this characteristic sound will not be heard. It should be kept in mind that the… … -mmh « Battery and Head 310 PRACTICAL WIRELESS TELEGRAPHY Certain operators in the commercial radio service, in attempting to locate an open circuitin the windings of a receiving transformer, have committed the error of connecting a bell-buzzer and a battery in series with the coil, and have…
Telegraph, Wireless
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