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2470 days ago,
Early promotional film introducing TV to the American public, probably coordinated with the rollout of scheduled broadcasting at the 1939 New York World's Fair. Shows scenes of television production at the National Broadcasting Company (NBC) studios at Rockefeller Center, New York City, using equipment manufactured by NBC's corporate parent RCA."/nPublic domain film from the Library of Congress Prelinger Archive, slightly cropped to remove uneven edges, with the aspect ratio corrected, and mild video noise reduction applied.
The soundtrack was also processed with volume normalization, noise reduction, clipping reduction, and equalization./nhttp://en.wikipedia.org/wiki/Television