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Help to Identify Marconi 3 valve set "EtherPlus"
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3rd Jul 2022, 7:58 pm
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AdrianH
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Location: Blackburn with Darwen, Lancashire, UK.
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Re: Help to Identify Marconi 3 valve set "EtherPus"
Doing a quick search on the wireless history web site Etherplus valve holders were made by M and A Wolfe of 9 to 15, Whitecross Street, London E.C.1.
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