"Television: the revolution," ([1944])

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22 TELEVISION: THE REVOLUTION the room are subdued. With a large television receiver, two dozen people can watch a program in comfort. •The sound of Miss Grable's voice, to accom- pany the picture, is broadcast over another radio transmitter, and is received through a separate radio contained in the same cabinet. The sound- channel of television operates on FM, a very clear, life-like method of sound-broadcasting. Given proper care, the television receiver will last almost indefinitely. The kinescope screen will.last for hundreds of hours, if it's not turned up too brightly. However, a carelessly violent bombardment from the cathode beam may cause the screen to burn out. But special screens .have been constructed for theatre tele- vision, which glow with the brilliance of an electric arc. This very bright image is projected on a theatre screen, exactly as are motion pic- tures. Thus, television can be seen by a whole theatreful of people. Naturally an invention as complicated as television didn't spring into being overnight. The idea of sending pictures by radio is as old as sound broadcasting. A German scientist named Nipkow first devised a system for tele-