Tubes / semiconductors by category - Manufacturer
Selected: Tversk Station, Tver region
| Name | Maker | Year | User | Usage | Type | Base |  |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bontsch-Brujewitsch | Tversk St | 1916 | Radio/TV-r | Universal | Gas Trio | Swan-Ba | – | 4 | 3 | – | – | – | 1 | |
| PR1 | Tversk St | 1919 ?? | Military a | Audio Fre | Triode, | Europe | 1 | – | – | – | – | – | – | |
2 tubes or semiconductors found.