 |
| Identical to |
RadioMicro
|
| First Source
(s) |
1924 : Saga of the Vacuumtube, Tyne
|
|
| Base |
Europe 4-Pin (A, 4A, B4, since 1914)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Direct /
-: Battery = /
If: 0.06 Ampere /
Vf 4 Volts /
|
| Literature |
Saga of the Vacuumtube, Tyne p. 400
|
|
|
|
 |
|
KoBi
Konrad Birkner
|
|
KoBi
Konrad Birkner
|
|
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