Wade Bequest collection of valves: National Union type 2X2 radio valve
- PART OF:
- Wade Bequest collection of valves
- Made:
- United States
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Wade Bequest collection of valves: National Union type 2X2 radio valve. Marked JAN-CNU-2X2/B79 and VT-119 on base. With USS4 and top cap. High-voltage rectifier.
