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F257

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ID = 85643
       
Country:
United States of America (USA)
Brand: Fada Radio & Electric Co.; Long Island (NY)
Tube type:  Triode, vacuum 
Identical to F257

Base UX-Base (4 Pins (2 thick, USA 1924, UX) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Direct
Dimensions (WHD)
incl. pins / tip
x 105 x 25 mm / x 4.13 x 0.98 inch
Weight 30 g / 1.06 oz
Information source -- Collector info (Sammler)   


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