1929 in Science - Communications

Communications

• June 27 - The first public demonstration of color television is held by Herbert E. Ives and colleagues at AT&T's Bell Telephone Laboratories in New York. The first images are a bouquet of roses and an American flag. A mechanical system is used to transmit 50-line images to Washington.
• First practical coaxial cable patented by Lloyd Espenschied and Herman Affel of Bell Labs.
• Rudolf Hell receives a patent for the Hellschreiber, an early fax machine.