Re: AVO Multimeter survey
Yes, BR(W) was the designation for the Western Region of the then very newly-created British Railways. That's a nice instrument, I'd only ever seen them with a Bakelite front panel before.
I think the combination screw-down and 4mm terminals came in with the later MkII versions of the Model 7 and 40 in the early 1950s, but I stand to be corrected.
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Phil
Optimist [n]: One who is not in possession of the full facts
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