Original November 1938 issue of Service: A Monthly Digest of Radio and Allied Maintenance, Vol. 7, No. 11. Features technical articles on radio circuits, television, amplifiers, test equipment, and automatic tuning. Includes detailed diagrams and a vintage RCA test-equipment advertisement. A collectible piece of pre-WWII radio and electronics history.
Original November 1938 issue of Service: A Monthly Digest of Radio and Allied Maintenance, Vol. 7, No. 11. Features technical articles on radio circuits, television, amplifiers, test equipment, and automatic tuning. Includes detailed diagrams and a vintage RCA test-equipment advertisement. A collectible piece of pre-WWII radio and electronics history.