Edited By Robert P Murray This book details the contributions, inventors and companies that brought radio to the airwaves of Canada. A great read about the history of Canadian radio. 160 pages, 1.2 lbs,0.5 x 8.8 x 11.2 inches

Volume 5 in a series that contains tricks tips and secrets to help the builder of simple radios and electrical gear achieve high performance at minimal cost. This volume contains how to build a Superhet receiver, coil winding machine, simple alignment oscillator, IF Transformers and more. 48 pages, .25 lbs, 5.5 x 8.5"