That blue glow I see between gun elements in the most recent pics and the seemingly abnormally bright heater glow are both very worrisome. The two unusably gassy round CRTs I have (21AXP22 and a 21FJP22) both do that when tested.
If you can get it to produce a raster in that state, run it as much as you can while it lasts to try to excite the gas molecules into hitting the getter.
Last edited by Electronic M; 11-18-2018 at 10:25 AM.
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