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I’m not 100% on this, but I believe Westinghouse had manufacturing capabilities to assemble the 15GP22. Ive seen H840CK15 production line photos and read articles indicating they were manufacturing this tube. RCA shared technical information with all the manufacturers to promote color television.
I know Westinghouse manufactured a prototype one gun color CRT in 1954. This prototype was independent of the work being done at Autometric.
I think Admiral may be another, not sure. I have focused on Admiral and Westinghouse in my research, not sure about the others.
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Last edited by etype2; 03-02-2020 at 04:58 PM.
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03-02-2020, 04:50 PM
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