Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 168
together, joining the high potential end of L-Sto the low potential end of L-4. The same function is performed by switch point C andthe upper right hand set of contacts. The secondary condenser shown at C-3 possesses at maximum very low capacity. Thepotentiometer P-2 is shunted across the battery… … Fig. 177—Universal Crystal Receiver (English Marconi Company). 158 PRACTICAL WIRELESS TELEGRAPHY.
Telegraph, Wireless
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