Wade Bequest collection of valves: R2A radio valve
- PART OF:
- Wade Bequest collection of valves
- Made:
- England
- maker:
- GEC (Osram)
Wade Bequest collection of valves: R2A radio valve, by Osram-GEC. With B4-1 base and top seal. Dates from World War One.
Wade Bequest collection of valves: R2A radio valve, by Osram-GEC. With B4-1 base and top seal. Dates from World War One.