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PTT4

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ID = 50082
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Developer: Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München 
Tube type:  Triode, vacuum   Universal 
Identical to PTT4

Base EU-Telephone 5-pin (G5K)
Filament Direct / Battery =
Description Weitverkehrsröhre (Poströhre) 


Just Qvigstad
 
ptt4ebayp1s.jpg

 

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