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Well, bad news on the rebuild of the aired 21AXP22A. Despite liberal use of Vac-Seal, and Scotty's optimistic examination of the aired tube, it did not achieve a good vacuum. Scotty reports that the gun looked OK after evacuation/baking (indicating not much air if any), but the getter flash looked abnormal, and now the tube shows internal blue glow under test. So, there's some unidentified small leak.
I'll be driving out to see it and retrieve it on Sunday. At this point it's not worth a second try without knowing where the leak is and whether it could be sealed for sure.
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