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ID = 19651
Great Britain (UK)
Brand: British Tungsram Radio Works Ltd.
Tube type:  Triode, vacuum   Power/Output 
Identical to P215_Tungsram = P215 = P215_Mazda = P215_Marconi = P215_Hivac

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.2 Ampere / Direct / Battery =
Information source
P215_Tungsram: Ingo Moll
Anonymous 557 Collector

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P215_Tungsram: rtt
Anonymous 10 Collector

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P215_Tungsram: Tungsram Röhrenkatalog 1928
Thomas Lebeth

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