Quote:
Originally Posted by consoleguy67
I know both Zenith and Magnavox had 25" color sets in the mid 60s.
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Your thinking bulb size not viewable area. Around 1967-68 CRTs lost 2" off their designation numbers because the govt passed a law forcing makers to designate tubes based on viewable area and not bulb size as had been the standard so a 25--P22 became a 23---P22.