Wade Bequest collection of valves: Marconi-Osram Valve radio valve type DH63

maker:
Marconi Osram Valve Company Limited
SMG00237770

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SMG00237770
Science Museum Group
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Wade Bequest collection of valves: Marconi-Osram Valve radio valve type DH63. With I/O base and top cap. ST bulb.

Details

Category:
Collection Unassigned
Object Number:
1972-343/163
credit:
Wade, J.C.F.