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E1913

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ID = 30030
       
Country:
Great Britain (UK)
Brand: Marconi's Wireless Telegraph Co. Ltd.
Developer: MO Valve Co. Ltd.; GB 
Tube type:  Double Diode-Triode   RF/IF-Stage 
Identical to E1913
Similar Tubes
Normally replaceable-slightly different:
  DH107

Base Miniatur-7-Pin-Base B7G, USA 1940
Was used by Radio/TV-reception etc.
Filament Vf 19 Volts / If 0.1 Ampere / Indirect
Description

This tube had high resistance heaters for operation in series. Developed at the Hirst esearch Centre of GEC.

 
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   group 296, p. 665


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