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ER

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ID = 50663
       
Country:
Netherlands
Brand: Radio-Record - Röhrenmarke; Holland
Developer: Radio-Record - Röhrenmarke; Holland 
Tube type:  Triode, vacuum 
  Ca. 1925 up to 1945 rare.
Identical to ER
First Source (s)
18.Sep.1924 : Radio-Expres, Netherlands

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Filament Vf 4 Volts / If 0.5 Ampere / Direct / Battery =
Information source - - -   
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h_6.png ER
Peter den Boer


Just Qvigstad
erdata.png
ER: own collection
Peter den Boer

 

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