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E1870

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ID = 30029
       
Country:
Great Britain (UK)
Brand: Marconi's Wireless Telegraph Co. Ltd.
Tube type:  Transmitting Tetrode, air cooled   Power/Output 
Identical to E1870
Similar Tubes
Normally replaceable-slightly different:
  6155

Base Giant 5 pin metal shield (B5E) Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 5 Volts / If 6.5 Ampere / Direct
Description

VHF beam tetrode. Tube developed at the Hirst Research Centre of GEC.

 
Dimensions (WHD)
incl. pins / tip
x 124 x 62 mm / x 4.88 x 2.44 inch
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   group 445, p. 976


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