Vintage Radio News 1939 Radio & Television Data Book, published by Ziff-Davis Publishing Company. This special technical publication covers early television fundamentals and receiver construction, amateur television transmitters, radio servicing, receivers, amplifiers, test instruments, antennas, and experimental electronics. An interesting pre-WWII reference documenting radio technology and the early development of television. (worldradiohistory.com)
Vintage Radio News 1939 Radio & Television Data Book, published by Ziff-Davis Publishing Company. This special technical publication covers early television fundamentals and receiver construction, amateur television transmitters, radio servicing, receivers, amplifiers, test instruments, antennas, and experimental electronics. An interesting pre-WWII reference documenting radio technology and the early development of television. (worldradiohistory.com)
