Tubes / semiconductors by category - Manufacturer
Selected: American Radio Laboratories (Blue Tron, Bluetron); (where?)
| Name | Maker | Year | User | Usage | Type | Base |  |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| B-199 | American R | Radio/TV-r | Universal | Triode, | UV-Base | 1 | 1 | 1 | – | – | – | – | ||
| UV199 | Common typ | 1922 | Radio/TV-r | Universal | Triode, | UV199 | 1 | 48 | 5 | 1 | 14 | F | – | 175 |
2 tubes or semiconductors found.