Bob and I have spent some time tweaking the Westinghouse 15" color set driving the rebuilt 15GP22. While there are still some unexplained purity defects, mainly in the reg/green domain, when displaying a color picture these artifacts are less noticeable
We are going to declare victory.
Bob and I have now move on to playing with the Mitsubishi Trinescope color TV. Bob has given a demo course in can capacitor re-stuffing, and we are just about ready to give the little set a try.