Amateur radio : how and why of wireless with complete instructions on operation of receiving outfits (1922)
Grainger, Maurice J · New York : James A. McCann · leaf 24
i- i % Fig. 1Principle of wave transmission pictorially shov/n. A. Transmitting sta-tion. B and C Receiving stations. 4 AMATEUR RADIO never cease to exist when they are once ret inmotion. They go on travelling into space forever. Were there receivers sensitive enoughto detect them they would be…
Radio · Amateur radio stations
Internet Archive · University of Connecticut Library · Public Domain Mark 1.0. Free to use for anything.
