Wade Bequest collection of valves: Heintz & Kaufman Limited type 4E27 radio valve
- PART OF:
- Wade Bequest collection of valves
- Made:
- United States
- maker:
- Heintz & Kaufman Limited
Wade Bequest collection of valves: Heintz & Kaufman Limited type 4E27 radio valve. Marked 4E27/257-B Gammatron and 22158 on bulb. Marked JAN-4E27 on base. With USL7 base and top pin.
Details
- Category:
- Electronic Components
- Object Number:
- 1972-343/262
- type:
- valve
- credit:
- Wade, J.C.F.