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Zenith Radio Corporation Research: The Long Corridor 1955 Educational Documentary WDTVLIVE - The Bes - YouTube
![File:Radio, Model K 412 R, Zenith Radio Corporation, Chicago, 1952-1953, Bakelite case - Museum für Angewandte Kunst Köln - Cologne, Germany - DSC09645.jpg - Wikimedia Commons File:Radio, Model K 412 R, Zenith Radio Corporation, Chicago, 1952-1953, Bakelite case - Museum für Angewandte Kunst Köln - Cologne, Germany - DSC09645.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/5/51/Radio%2C_Model_K_412_R%2C_Zenith_Radio_Corporation%2C_Chicago%2C_1952-1953%2C_Bakelite_case_-_Museum_f%C3%BCr_Angewandte_Kunst_K%C3%B6ln_-_Cologne%2C_Germany_-_DSC09645.jpg/2491px-Radio%2C_Model_K_412_R%2C_Zenith_Radio_Corporation%2C_Chicago%2C_1952-1953%2C_Bakelite_case_-_Museum_f%C3%BCr_Angewandte_Kunst_K%C3%B6ln_-_Cologne%2C_Germany_-_DSC09645.jpg)
File:Radio, Model K 412 R, Zenith Radio Corporation, Chicago, 1952-1953, Bakelite case - Museum für Angewandte Kunst Köln - Cologne, Germany - DSC09645.jpg - Wikimedia Commons
![Vintage Zenith Radio Corporation Ad - 1949 | Vintage television, Vintage advertising art, Old advertisements Vintage Zenith Radio Corporation Ad - 1949 | Vintage television, Vintage advertising art, Old advertisements](https://i.pinimg.com/736x/48/0a/a4/480aa400bfd1bfac85c64c1fc3f7d7fe.jpg)