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410LF

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ID = 42939
       
Country:
Great Britain (UK)
Brand: Cossor, A.C.; London
Developer: Cossor, A.C.; London 
Tube type:  Triode, vacuum   Audio Frequency 
Identical to 410LF
Similar Tubes
Normally replaceable-slightly different:
  1515 ; A415 ; CV1152 ; PM4DX ; RE084

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 3.8 Volts / If 0.1 Ampere / Direct / Battery =
Description

Heater Voltage range 3.8 to 4V.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
History of the British Radio Valve to 1940   p.161
- - Manufacturers Literature

pm3_3.png 410LF: Manufacturer's Literature
Emilio Ciardiello


Just Qvigstad
cossordata~~2.png
410LF: own collection
Peter den Boer

Usage in Models 2= 1931

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2
 
uk_cossor_410lf_valve.jpg

 

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