radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

DE50

Information - Help 
ID = 66967
       
Country:
Great Britain (UK)
Brand: Metropolitan-Vickers (Metro-Vick, Cosmos); GB
Developer: Metropolitan-Vickers (Metro-Vick, Cosmos); GB 
Tube type:  Triode, vacuum   Universal 
Identical to DE50

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 6 Volts / If 0.9 Ampere / Direct / Battery =
Description

Dull emitter type, 5.5 Volt low consumption for 6 V battery.

Story of Cosmos valves see here

 
Information source 70 Years of Radiotubes and V.   p.196
History of the British Radio Valve to 1940   p.161

b4_base_pins~~164.png DE50: Fin Stewart
Fin Stewart


Just Qvigstad
 

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  

Data Compliance More Information