GPO TR35 No4 test meter
I have just been given this old test meter, it was found whilst they were clearing out his old factory which his family have owned for nearly 80 years and is now to close. What was it used for?. The low range is very low at 1mA per division. I will clean it later and if her in doors allows display it in our hallway.
Bob.
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Bob, BVWS member
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