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HL310

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ID = 30859
       
Country:
Great Britain (UK)
Brand: Burndept Ltd. London
Tube type:  Triode, vacuum   Universal 
Identical to HL310
First Source (s)
1925 : British Radio Valves - The Vintage Years, Thrower p.47

Base Europe 4-Pin (A, 4A, B4, since 1914)
Filament Vf 3 Volts / If 0.1 Ampere / Direct / Battery =
 
hl310_spec.png
HL310: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector


Documents about this component
  Article in Wireless World 30-9-1925 1927 KB

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