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ID = 15761
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Triode, vacuum   Power/Output 
Identical to DO24 = D024
Similar Tubes
Normally replaceable-slightly different:
  CV1040 ; P4100_Tungsram ; PX25 ; TF104
First Source (s)
22.Nov.1935 : Wireless World (The), London (WW, 79)

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 2 Ampere / Direct / Specified voltage AC/DC
Dimensions (WHD)
incl. pins / tip
x 163 x 65 mm / x 6.42 x 2.56 inch
Information source History of the British Radio Valve to 1940   p. 140, 171 & 204
Babani, International Radio Tube Encyclopaedia   p. 96 & 97
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49

1_84.png DO24: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad
DO24: Mullard Valves 1936
Peter Hoddow

Usage in Models 1= 1931 ; 1= 1932? ; 1= 1932 ; 1= 1934?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):4


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