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ID = 19829
Great Britain (UK)
Brand: Clarion Radio Valve Co.; London
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Identical to SG2_Clarion
Similar Tubes
Normally replaceable-slightly different:
  SG215 ; SS210
First Source (s)
22.Nov.1935 : Wireless World (The), London (WW, 79)

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 Top contact screw type.
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.11 Ampere / Direct / Battery =
Information source Wireless World (The), London (WW, 79)   Nov 1934
History of the British Radio Valve to 1940

s_2_g_11.gif SG2_Clarion: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20

Just Qvigstad
SG2_Clarion: Early Valves 1930
Peter Hoddow


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