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AR12

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ID = 13771
       
Country:
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to AR12 = 4020A = CV1310

Base UV-Base (4 Pins+Bayonet, USA 1914 WE) (Codex=Bo)
Was used by Military and/or Government
Filament Vf 2 Volts / If 0.25 Ampere / Direct / Battery =
Description Made for the British Army by STC. for telephone repeaters, this tube known as type 4020A 
Dimensions (WHD)
incl. pins / tip
55 x 110 x mm / 2.17 x 4.33 x inch
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Data from my own collection   

uv~~8.png AR12: Fin Stewart
Fin Stewart


Just Qvigstad

Collection of

 
commonproductionuk_ar12_bild1.jpg

AR12
 

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