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ID = 19309
Brand: Siemens; D (S.& Halske / S. Electrogeräte)
Developer: Siemens; D (S.& Halske / S. Electrogeräte) 
Tube type:  Triode, vacuum 
Identical to BF
First Source (s)
1922 : Saga of the Vacuum Tube, Tyne p.432
Predecessor Tubes Mc  
Successor Tubes BO   Ba  

Base EU-Telephone 5-pin (G5K)
Was used by Telephony
Filament Vf 3.5 Volts / If 1.1 Ampere / Direct / Battery =

Weitverkehrsröhre (Poströhre)

Tube prices 1 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
BF: gerd.eisenbarth
Gerhard Eisenbarth

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BF: Die Elektronenröhren, Möller, 1922
Anonymous 15 Collector

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from Just Qvigstad

Usage in Models 1= 1925?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):1

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