Re: AVO Multimeter survey
Good point, i hadn't spotted that- it is unlike the (late) '300v/750v' resistor packs i have seen, which consist of pairs of similar resistors either side of a much thicker paxolin board, (the connecting wires go through the board) and the whole thing has a brass bracket attached which enables it to be retro-fitted to any Model D using the fixing holes already present in the meter. What you have there may be an intermediate arrangement before the better ones were introduced. I think i recall that your meter is one of those that went back to the factory for a refurb indicated by the ACW mark on the scale plate..? The internals may have been changed then.
If you wanted the interior to look more period correct for year 1944/45 like Richard's (but NOT work on 300v/750 ranges) i have an open circuit glass tube type resistor somewhere that i have no use for.
Dave
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