Wade Bequest collection of valves: Small B11 triode radio valve
- PART OF:
- Wade Bequest collection of valves
- Made:
- England, Germany, United States and Holland
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Wade Bequest collection of valves: Small B11 triode radio valve, by Philips. Marked Philips "Miniwatt" on bulb. With B4-1 base. Marked (.XI) / P on base.
