On Sat, 18 May 2019 09:25:35 -0700, tabbypurr wrote:

Most Rs in valve kit are far from critical. 5% would have cost them more
than 10%. 20% were more common.

I just put it down to post-war lack of availability but your guess is as
good as mine.
My experience with valves is not that great. I'm really more of the
germanium semiconductor era. ;-)



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