Large GPO? Battery Box what was its use?
I have a large wooden battery box about 28" long, 10" high, 7" wide including lid which had handles and terminals at both ends which I believe was a GPO battery box. I was wondering if anyone knows what batteries went in these boxes and where they were used, would they be for exchange batteries. I have seen quite a few of these at antique fairs but can't find any information on the internet.
Mike.
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