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Inquire at the TV shop in the next town, and see if they have a 12AT7 and a 6BJ6.
Replace them both, especially the 12AT7. The B+ might a little low, so a weak 12AT7 might not oscillate. Look up the 1960 Beitmans and put it in memory, for future reference. You could do a preliminary troubleshoot with just a DMM.
Also clean the band selector switch with some good contact cleaner.
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