Wade Bequest collection of valves: R-type triode radio valve, by Marconi-Osram

maker:
Marconi Osram Valve Company Limited
SMG00237670

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SMG00237670
Science Museum Group
© The Board of Trustees of the Science Museum

Wade Bequest collection of valves: R-type triode radio valve, by Marconi-Osram. Spherical bulb with top seal and B4-2 base and phosphorous getter. With paper label: W76.

Details

Category:
Collection Unassigned
Object Number:
1972-343/36
credit:
Wade, J.C.F.