RCA 21AXP22 picture tube/rebuilt picture tube - Videokarma.org TV - Video

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RCA 21AXP22 picture tube/rebuilt picture tube

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#26

02-04-2011, 08:05 PM

miniman82

First Light: 1952-2011

Join Date: Jun 2009

Location: Great Mills, MD

Posts: 4,183

I once heard of a high vacuum CRT that had a pump on it, but I think it was only for demonstrations.

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