Wade Bequest collection of valves: early triode radio valve by Marconi-Osram, 1926

Made:
1926
maker:
Marconi Osram Valve Company Limited
SMG00237636

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SMG00237636
Science Museum Group
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Wade Bequest collection of valves: early indirectly-heated triode radio valve with pip top and B4-3 base with side terminal. With label attached: 1926.

Details

Category:
Collection Unassigned
Object Number:
1972-343/6
credit:
Wade, J.C.F.