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Ml41HF

Information - Help 
ID = 85722
       
Country:
Great Britain (UK)
Brand: Ediswan, Siemens Edison Swan Electric Co.; London
Tube type:  Triode, vacuum   Audio Frequency 
Identical to Ml41HF

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 2 Top contacts.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect
Description

Early version of this tube, made by Ediswqan, had the heater connections from a double contact top cap.

 
Dimensions (WHD)
incl. pins / tip
x 135 x 40 mm / x 5.31 x 1.57 inch
Information source British Radio Valves - The Classic Years: 1926-1946   Supplement, p. 33


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