Tubes / semiconductors by category - Manufacturer
Selected: Alltron (tube brand), Allan Manufacturing Co.; Arlington and Harrison, NJ
| Name | Maker | Year | User | Usage | Type | Base |  |
 |
 |
 |
 |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1A | Common typ | Triode, | UV-Base | 1 | 4 | 1 | – | – | – | 3 | ||||
| 201A | Common typ | 1925 | Radio/TV-r | Universal | Triode, | UX-Base | 2 | 85 | 2 | – | 10 | 2 | 96 | |
| 201A_UV-base | USA - Tube | Radio/TV-r | Universal | Triode, | UV-Base | 1 | 75 | 1 | – | 1 | – | – | ||
3 tubes or semiconductors found.