Radio Engineering Magazine September 1931 Vol.XI No. 9
by: McNicol (Ed.), Donald

Softcover. NY, Bryan Davis Publishing, 1st, 1931, Book: Very Good, Dust Jacket: None, Softcover magazine format, 56 pages, b&w illustrations, vintage ads throughout. Articles include: Hyper-Sensitive Detection Systems, Television Turns to Projection, Synchronization of Westinghouse Radio Stations, others. Dust soiling to wraps, otherwise clean.