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ID = 15847
United States of America (USA)
Brand: General Electric Co. (GE); Bridgeport CT, Syracuse NY
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Triode, vacuum   Power/Output 
Identical to FP-44
Similar Tubes
Normally replaceable-slightly different:

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
Was used by Radio/TV-reception etc.
Filament Vf 7.5 Volts / If 1.2 Ampere / Direct / Specified voltage AC/DC

THis tube was designed as an industrial version of the UX250. It is described by GE as a Power Pliotron.

Dimensions (WHD)
incl. pins / tip
x 159 x 67 mm / x 6.26 x 2.64 inch
Weight 78 g / 2.75 oz
Information source Tube Lore (II)   p. 27 & 212
- - Manufacturers Literature   GE Vacuum Tube Designations 12/10/1930
Taschenbuch zum Röhren-Codex 1948/49
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren

ux_base_standard~~256.png FP-44: Fin Stewart
Fin Stewart

Just Qvigstad

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