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E4412/E/9

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ID = 28871
       
Country:
Great Britain (UK)
Brand: GEC, General Electric Co Ltd., GENALEX; London
Tube type:  CRT (cathode ray tube, picture tube)   Indication 
Identical to E4412/E/9

Base CRT-TUBE-BASE in general
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Description B12D base. 85mm screen diameter oscilloscope tube.
Va <2500. ES deflection and focus.
Short persistence (0.01ms), blue screen. 
Dimensions (WHD)
incl. pins / tip
90 x x 335 mm / 3.54 x x 13.19 inch
Information source - - Manufacturers Literature   
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