A unicontrol high-frequency radio direction finder

Lang- English, Pages 15 It is the reproduction of the original edition published long back (1926). Hardcover with sewing binding with glossy laminated multi-Colour Dust Cover, Printed on high quality Paper, professionally processed without changing its contents.We found this book important for the readers who want to know about our old treasure so we brought it back to the shelves. Print on Demand.