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#19
11-28-2013, 10:53 AM
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I believe what he meant was that the first generation rectangular CRTs (16RP4) of the early 50s had squared off corners while the next generation (17BP4) were more rounded. I just happened to have one of each handy
 Probably had to do with being able to use thinner glass with a more bulbous envelope. 
Last edited by bandersen; 11-28-2013 at 11:02 AM. 
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