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R111S

Information - Help 
ID = 51926
       
Country:
France
Brand: La Radiotechnique (RT); Paris, Suresnes
Developer: Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München 
Tube type:  Triode, vacuum   Universal 
Identical to R111S = PTT2S

Base EU-Telephone 5-pin (G5K)
Was used by Telephony
Filament Vf 3.5 Volts / If 0.5 Ampere / Direct / Battery =
Description

Weitverkehrsröhre (Poströhre)

 
Information source -- Collector info (Sammler)   

r111s_so.png R111S
Anonymous 10 Collector


Just Qvigstad

Collection of

 
r111sptt2srtp1s.jpg

 

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