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L225

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ID = 30861
       
Country:
Great Britain (UK)
Brand: Burndept Ltd. London
Tube type:  Triode, vacuum   Audio Frequency 
Identical to L225
First Source (s)
1925 : British Radio Valves - The Vintage Years, Thrower p.47

Base Europe 4-Pin (A, 4A, B4, since 1914)
Filament Vf 2 Volts / If 0.25 Ampere / Direct / Battery =
 

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