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ID = 13718
Brand: Common type Europe tube/semicond.
Developer: Siemens; D (S.& Halske / S. Electrogeräte) 
Tube type:  Triode, vacuum 
Identical to Aa = 3S26
First Source (s)
1928 : Saga of the Vacuumtube, Tyne p.437

Base EU-Telephone 5-pin (G5K)
Was used by Telephony
Filament Vf 3.8 Volts / If 0.5 Ampere / Direct / Battery = /

Weitverkehrsröhre (Poströhre)

Text in other languages (may differ)
Tube prices 4 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   

Aa: A. De Poi's collection
Alessandro De Poi

Aa: Lorenz Empfänger-Röhren , 9. Auflage
Anonymous 54 Collector

Aa: RFT Unterlagen
Josef Pilz

Usage in Models 3= 1938?? ; 1= 1938?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):4

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