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41MH

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ID = 13454
       
Country:
Great Britain (UK)
Brand: Cossor, A.C.; London
Tube type:  Triode, vacuum   Audio Frequency 
Identical to 41MH
Similar Tubes
Normally replaceable-slightly different:
  4DXAC ; 904V ; A30B ; AC2HL ; E424 ; MH41 ; REN904
Other class quality (otherwise equal):
  CV2503
First Source (s)
1931 : History of the British Radio Valve to 1940 p.178
Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Description

Bulb is metallised.

 
Information source History of the British Radio Valve to 1940   p. 138 & 178
- - Manufacturers Literature   
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49
7_52.png 41MH: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad 		41mh_data.png
41MH: COSSOR VALVE MANUAL 1935-6
Jose Casas-Avalos
More ...
Usage in Models 1= 1930 ; 2= 1931 ; 1= 1932? ; 3= 1932 ; 1= 1933?? ; 3= 1933 ; 2= 1934 ; 1= 1935? ; 1= 1935 ; 1= 1937?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):16

Collection of

Dieter Zwingel (D)
Rudolf Osterkamp (D)
 
cossor_41mh.jpg

41MH
 
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