Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 154
h of sig-nals that can be obtained by resonant adjust-ments. The position of the switch correspondingto close coupling is marked Stdbi, an ab-breviation for the word standby. The switchis placed in this position when a particularreceiving .station avraits a call from one ofseveral sending stations… … CONTACTPOINT VALVESOCKET to Fit 144 PRACTICAL WIRELESS TELEGRAPHY. of this connection, sharp resonant adjustments can be obtained. The wave length of theintermediate circuit is increased or decreased by the variable condenser C-2 only and simi-larly the wave length of the secondary or detector…
Telegraph, Wireless
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