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SF21A

Information - Help 
ID = 25791
       
Country:
United States of America (USA)
Brand: Philco, Philadelphia Stg. Batt. Co.; USA
Tube type:  Television picture tube black+white 
Identical to SF21A

Filament Vf 2.34 Volts
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Usage in Models 4= 1958 ; 2= 1959? ; 9= 1959

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):15

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