Wade Bequest collection of valves: LT1 radio valve
- PART OF:
- Wade Bequest collection of valves
- Made:
- England
Wade Bequest collection of valves: LT1 radio valve, by Marconi-Osram. Paper label: W11.
Wade Bequest collection of valves: LT1 radio valve, by Marconi-Osram. Paper label: W11.