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I connected the B&K 466, and neither of the socket adapters which fit would test a tube, but one of them would light it.
I baked each CRT at 8.4V for 9 minutes, and 9V for one minute (timing and voltage here my best guess for what might work based on filament glow and previous experience with normal CRTs)
I turned it on and got a much brighter, washed out, green picture. Then I set grayscale, and things started coming together.
Watched an episode of that new show Letterman has on Netflix, and also tested it with video games. Had to make an adapter to use the giant video input connector, but it works well.
For the screen stand, I cut a piece of 3/4 plywood to hold the supports together, since the original cross brace was missing.
There are some subtle geometry defects which to me suggest bad capacitors, namely a bit of an wave horizontally
Convergence is great though. Need to find a manual, do a recap, and dial it in. It sits right in front of the couch, where I can play with the controls.
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