Tubes / semiconductors by category - Manufacturer
Selected: Royal Radio Tube Co. (Clara Quinn); Cleveland, OH
| Name | Maker | Year | User | Usage | Type | Base |  |
 |
 |
 |
 |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 171_Royal | Royal Radi | Radio/TV-r | Power/Out | Triode, | SPECIAL | – | – | – | – | – | – | – | ||
| 226_Royal | Royal Radi | Radio/TV-r | Audio Fre | Triode, | SPECIAL | – | 1 | – | – | – | – | – | ||
| 227_Royal | Royal Radi | Radio/TV-r | Audio Fre | Triode, | SPECIAL | – | – | – | – | – | – | – | ||
3 tubes or semiconductors found.