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ID = 11191
Brand: Siemens; D (S.& Halske / S. Electrogeräte)
Developer: Siemens; D (S.& Halske / S. Electrogeräte) 
Tube type:  Screen-grid Tetrode 
Identical to E2c = 4S10_Standard

Base EU-Telephone 7-pin (G7K)
Filament Vf 18 Volts / If 0.36 Ampere
Description Weitverkehrsröhre (Poströhre) 
Tube prices 3 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
E2c: Sammlung
Anonymous 557 Collector

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E2c: rtt
Anonymous 10 Collector

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E2c: SEL Handbuch 1964
Peter Hoddow

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from Just Qvigstad

Usage in Models 1= 1940? ; 1= 1941

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):2

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