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Information - Help 
ID = 29468
Great Britain (UK)
Tube type:  Damper, booster, flyback diode   Power-supply 
Identical to 19H5 = CV490

Base Edison giant, E40 = 40 mm-Goliat Top contact with a cap.
Was used by Industrial
Filament Vf 4 Volts / If 4 Ampere / Half indirect

Also can be used for delay line charging or power rectification. Pa <32W
Pa<32W, Ia<10A peak, 1A mean. Va<27kV peak, 20kV mean no load.

Dimensions (WHD)
incl. pins / tip
58 x 240 x mm / 2.28 x 9.45 x inch
Weight 200 g / 7.05 oz
Information source - - Manufacturers Literature   Ediswan & Mazda data sheets dated February 1954.
- - Manufacturers Literature   Ediswan tube catalog January 1959
Emilio Ciardiello

19H5: Manufacturer's Literature
Emilio Ciardiello

19H5: Mullard - original papers
Detlef Narten

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