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Old 11th Apr 2021, 10:16 am   #18
turretslug
Dekatron
 
Join Date: Nov 2011
Location: Surrey, UK.
Posts: 3,759
Default Re: Pye 8440 stabilised PSU

I have a hunch (only a hunch) that it could be some sort of thermal time delay device.

Mind your back....

Colin
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