Okay, here is my attempt at vertical linearity I think I did OK

Cant get rid of that horizontal distortion. That only really happens on the pattern generator sometimes it is perfectly straight and sometimes it is bent. Note that the line at the top of the screen is obstructed by the mask you can see it better if you are up close.
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Admiral C322C2 Regent (Restoring)
RCA CTC-7 Pensbury (Restored)
RCA CTC-5 Westcott (Restored)
CRA CTC--4 Director 21 (Restoring)