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ID = 61874
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:  Half-Wave Rectifier, inert gas filled   Power-supply 
  Ca. 1925 up to 1945 rare.
Identical to 12X825 = 57T5301
Similar Tubes
Different connections:
  354_Philips ; 57T5303

Base Edison big E27 = 27 mm
Was used by Industrial
Filament Vf 2 Volts / If 13.5 Ampere / Direct / Specified voltage AC/DC

The 12X825 is a GE-Tungar bulb (RMA Type 4B35). 2A peak 12A, also made by Edison-Swan: "The Tungar bulb, Catalog 12X825, is a half wave argon type bulb, particularly well adapted for charging batteries used in telephone, telegraph, clock and alarm systems. Catalog 206501 is identical except that it is fitted with an adapter to take a clip anode lead. The discharge medium is argon gas."

Information source - - Manufacturers Literature   
-- Collector info (Sammler)   

Just Qvigstad
12X825: Aus eigenen Unterlagen
Rudolf Osterkamp

Collection of



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