Posted by BobbyB on February 9, 2011, 8:45 pm, in reply to "Re: Dietz Acme Inspector Lamp"
The early large-fills have steel fill ports with one-piece steel fill caps. After this period (1912-1913) they went to brass fills with one-piece brass caps, and then to steel over brass 2-piece caps until WW2. The original finish on the ACME was bright tin.
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