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TELEVISION AND THE RADIO INDUSTRY
By David Sarnoff
President Radio Corporation of America, and Chairman of the Board of the National Broadcasting Company
RADIO — which grew from the seed planted by physicists to the point where it affects the life of nations — has "arrived," but only at an early station on its journey. We are just beginning to enter, in any practical way, the fascinating domain of ultra-high frequencies — in which radio sight will be added to radio sound.
RCA EXPERIMENTAL STATION
Television emerged from the laboratory "into the open air" on June 29, 1936. At that time RCA engineers began transmitting television images from the RCA experimental station at the top of the Empire State Tower, New York City, to receivers at selected observation points throughout the metropolitan area. As a result of continuous experiments under actual service conditions the transmitting antenna and much of RCA's other television equipment has been remodeled several times.
TELEVISION ENGINEERING PROGRESS
Week by week and month by month television engineering progress has seemed slow and difficult. Yet when we look back today over the relatively short period that separates us from our first television field tests we can observe a number of definite and promising achievements.
Whereas in 1936 each separate image was scanned with 343 lines, today we are scanning with 441 lines. This standard of picture-definition is now generally regarded as satisfactory. During the past year the color of tele
vision pictures has been changed from green to black-and-white, and their brilliance greatly increased. The size of the picture has been increased from approximately 5x8 inches to IVz x 10 — almost double the area. In addition, important progress has been made in projecting television pictures of approximately 3x4 feet onto a screen. Kinescopes and other articles of television equipment have recently been made available to amateur experimenters.
TELEVISION PROGRAMS
These are some of the technical advances in television accomplished by RCA engineers during 1937. Meanwhile, the broadcasting service of RCA — the National Broadcasting Company — has been operating an experimental television studio in the RCA Building, and has also made significant progress in the development of television programs. Lighting and make-up, sound effects, scenic design and studio architecture, as well as the manipulation and coordination of television cameras, have been the subject of continuous study and experiment by NBC engineers and program specialists. New techniques for the writer, the director,
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