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OSW3121

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ID = 21931
       
Country:
Germany
Brand: Werk für Fernmeldewesen (OSW, HF, WF) Berlin, VEB, RFT (Ostd.)
Tube type:  Full-Wave Vacuum Rectifier 
Identical to OSW3121 = AZ11 = 3121_OSW
First year Sep.1938 Tube leaflet collection E.Erb Analysis by original leaflets

Base German Steel Y8A, 1938
Filament Vf 4 Volts / If 1.1 Ampere / Direct
Literature -- Original prospect or advert   
Taschenbuch zum Röhren-Codex 1948/49   Design = Telefunken
 
osw3121_az11.jpg
OSW3121: W.E.
Wolfgang Eckardt

 
47_6.png
OSW3121: Telefunken Werkstattbuch
Wolfgang Bauer

 


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