1929 Tube leaflet collection E.Erb Analysis by original leaflets
Base
Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Was used by
Radio/TV-reception etc.
Filament
-: Direct /
If: 0.25 Ampere /
Vf 4 Volts /
Literature
Taschenbuch zum Röhren-Codex 1948/49
Sammlung GJ
Gerd Junginger
Telefunken Werkstattbuch
Wolfgang Bauer
No further Information
for
12NG
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