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 119
evelopment of the scienceof radio that they are almost as numerous asthe sands of the seashore. When the timecomes for you to decide upon the circuit youare going to use, it all depends upon the appa-ratus you have at your disposal. Fig. 15 shows a circuit which can be madeup by using a small… … /TOTUH**IH If
Radio · Amateur radio stations
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