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Refugee · 5th Jul 2020, 6:13 pm

I have had a couple of valves go to air very slowly like that so that the gettering fades away without going white on the way.
I have got one laying around that might reveal something if I put it under a microscope.

5th Jul 2020, 6:13 pm	#6
Refugee Dekatron Join Date: Apr 2012 Location: Worksop, Nottinghamshire, UK. Posts: 5,554	Re: It's got a valve gone! I have had a couple of valves go to air very slowly like that so that the gettering fades away without going white on the way. I have got one laying around that might reveal something if I put it under a microscope.