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W3_Cossor

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ID = 28914
       
Country:
Great Britain (UK)
Brand: Cossor, A.C.; London
Developer: Cossor, A.C.; London 
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to W3_Cossor
First year Jul.1925 Saga of the Vacuum Tube, Tyne page 375
First Source (s)
1925 : British Radio Valves - The Vintage Years: 1904-1925 p.49

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 1.8 Volts / If 0.45 Ampere / Direct / Battery =
Description

"Wuncell" type. Also with Am. UV base.

 
Dimensions (WHD)
incl. pins / tip
3 x 8 x 3 mm / 0.12 x 0.31 x 0.12 inch
Information source

b4_base_pins~~178.png W3_Cossor: Fin Stewart
Fin Stewart


Just Qvigstad
cossor_w3data.png
W3_Cossor: Wireless World 1925
Roy Johnson

Collection of

 
cossor_w3_bild1.jpg

W3_Cossor
 

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