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Color television — Title card for NBC, promoting their broadcast in RCA color . Color television is part of the history of television, the technology of television and practices associated with television s transmission of moving images in color video. In its most… … Wikipedia
Rodgers and Hammerstein — Rodgers (left) and Hammerstein (right), with Irving Berlin (middle) and Helen Tamiris, watching auditions at the St. James Theatre in 1948 Richard Rodgers (1902 – 1979) and Oscar Hammerstein II (1895 – 1960) were a well known American songwriting … Wikipedia
List of vacuum tubes — This is a list of vacuum tubes or thermionic valves. Before the advent of semiconductor devices, hundreds of tube types were used in consumer and industrial electronics; today only a few types are still used in specialized applications. Contents… … Wikipedia

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