Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 163
AERIAL … BATTERV Hllllllh Fig. 171—Rear View Type 106 Receiving Tuner. capacity effect between the opposite plates (of the variable condenser) in the so-called zero position of capacity. A special wire wound potentiometer is supplied, having a resistance of about 450 ohms, the value of which is adjusted by…
Telegraph, Wireless
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