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PTT3

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ID = 39285
       
Country:
France
Brand: SIF (S.I.F.), Société Indépendante de Télégraphie sans Fil; Paris, Malakoff
Developer: Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München 
Tube type:  Triode, vacuum   Universal 
Identical to PTT3 = R112_RT
Similar Tubes
Other shape (e.g. bulb type):
  PTT3S

Base EU-Telephone 5-pin (G5K)
Filament Vf 3.5 Volts / If 1.1 Ampere / Direct / Battery =
Description Weitverkehrsröhre (Poströhre) 

ptt3_pinout.png PTT3: From my schematic collection.
Pier Antonio Aluffi


Just Qvigstad
ptt3.gif
PTT3: datasheet
Petr Eberle

Collection of

 
ptt3_sif_ph1r1.jpg

PTT3
 

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