Wade Bequest collection of valves: Mazda type 1F3 radio valve

maker:
British Thomson-Houston Company Limited
SMG00237838

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SMG00237838
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Wade Bequest collection of valves: Mazda type 1F3 radio valve. Small battery valve. With B7g base.

Details

Category:
Collection Unassigned
Object Number:
1972-343/247
credit:
Wade, J.C.F.