Quote:
Originally Posted by Electronic M
I wonder if this was the same tube used in the consumer 1958 model Westinghouse sets? I thought that was a 22" though. If they were different I wonder if our rectangular color CRT came out first?
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The Photofact (357-12) for the Westinghouse 22" rectangular sets is dated 5-57. By 1958 Westinghouse had ditched the 22EP22 and replaced it with a 21CYP22.
The US made tubes rectangular likely were first:
http://www.earlytelevision.org/22_inch_color_tubes.html
jr