Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 251
tt*^fl 7| # AUTtNNA SWITCI 11ENStR |-Hffn W lif BATTERV60S IZ CELLSSTORAGE BATTERY ^^^^N^y A. B C »RE H° 5 MOUNTEDINSULATORS.O IS PLUS ■THIS IS TO CHANGE OVERFROM COIL TO POWER ANDVICE VERSA HH 10 INDUCTION COIL Fig. 261—Complete Wiring Diagram of Marconi 1 K. W. 60 Cycle Non-synchronous…
Telegraph, Wireless
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