 |
| Identical to |
A209
|
| Similar
Tubes |
210A_Eagle (can normally be replaced - small diff'ce)
|
| First Series |
1925 Tube leaflet collection E.Erb Analysis by original leaflets |
| First Source
(s) |
1924 : Saga of the Vacuumtube, Tyne p.421
|
|
| Base |
Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Direct /
If: 0.08 Ampere /
Vf 2 Volts /
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
|
|
|
Collection TL
Thomas Lebeth
|
|
rtt
Michael Schlör
|
|
RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
|
|
|
