What Happened to 15AP22 Through 15FP22? - Videokarma.org TV - Video

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What Happened to 15AP22 Through 15FP22?

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04-20-2014, 10:17 AM

Tom9589

VideoKarma Member

Join Date: Jan 2013

Location: Stone Mountain, GA

Posts: 482

What Happened to 15AP22 Through 15FP22?

I would assume (never a safe thing to do) that the type numbers for CRTs were assigned in an ascending order. In other words 15AP22 should have been the first 15" color CRT. If that assumption is correct, were there ever 15AP22 through 15FP22 CRTs? Prototypes, maybe?

Also, what organization was responsible for assigning tube type numbers?

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