Re: AVO Multimeter survey
Phil,
I have one marked GWR, Serial No.194-448, but it isn't actually pre-nationalisation in manufacturing date since that took place on the 1st of January 1948.
I would think that the order was placed by the GWR once they had seen the prototype of the design they requested and delivery took some months from the date of ordering.
As well as the regional variants, some seem to have been ordered centrally and have no regional marking.
PMM
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