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ID = 22270
United States of America (USA)
Brand: Cunningham Inc., E.T.; Harrison (NJ)
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Current Regulator, Iron in Hydrogen   Power-supply 
Identical to C376 = B27_GE = CV645 = UV876 = 1938 = 38276
Similar Tubes
Normally replaceable-slightly different:

Base Edison giant, E40 = 40 mm-Goliat
Was used by Radio/TV-reception etc.
Filament Vf 50 Volts / If 1.7 Ampere / Specified current AC/DC ~ = (Series working)

Regulation range: 40 - 60 Volts. Operating current 1.7 amps. This tube is used in series with the primary of a suitably designed transformer to maintain essentially constant voltage to the primary over a line variation of 20 volts.

Dimensions (WHD)
incl. pins / tip
x 196 x 53 mm / x 7.72 x 2.09 inch
Weight 94 g / 3.32 oz
Information source Ballast-Tube Handbook; Jacobi 1985   
Tube Lore (II)   p. 80
- - Manufacturers Literature
-- Collector info (Sammler)

0_ball_1.png C376
Emilio Ciardiello

Just Qvigstad
C376: Cunningham Radio Tubes Manual C-10 1932
Daniel Consales

More ...
Usage in Models 2= 1930??

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):2


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