Re: AVO high voltage meter (EX British Rail)
I have managed with a very old diagram worked out the mechanism
The only item is the spring and how to position
Surprising the help
As for the lamp yes a Bardic and also a yellow lamp called a Hitech
The manafactuer has just been put in admin
But I think have converted also to hi output led with 18650 batteries on 6000 output so to date looking ok
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