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NR42

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ID = 16087
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Developer: Marconi-Osram - (Valves/Tubes); GB 
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to NR42 = CV1166 = LP2 = VT140_GPO

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Military and/or Government
Filament Vf 2 Volts / If 0.2 Ampere / Direct / Battery =
Information source Babani, International Radio Tube Encyclopaedia   p. 122 & 123
-- Collector info (Sammler)   
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49

vr22.png NR42: Manufacturer's Literature
Emilio Ciardiello


Just Qvigstad
cv1166nr42arspovt140_1.png
NR42: Manufacturer's Literature
Emilio Ciardiello

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nr42.jpg

NR42
 

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