Tubes / semiconductors by category - Manufacturer
Selected: Russische Gesellschaft für drahtlose Telegraphie und Telephonie (ROBTiT); Petrograd Петроград (Sankt Petersburg)
| Name | Maker | Year | User | Usage | Type | Base |  |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Papaleksi | Russische | 1914 | Radio/TV-r | Detector | Gas Trio | Swan-Ba | – | 13 | – | – | – | – | 2 | |
| Papaleksi_2 | Russische | 1914 | Radio/TV-r | Detector | Gas Trio | Swan-Ba | – | 1 | – | – | – | – | – | |
| Papaleksi_3 | Russische | 1914 | Radio/TV-r | Detector | Gas Trio | Swan-Ba | – | 1 | – | – | – | – | – | |
3 tubes or semiconductors found.