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21FP4

Information - Help 
ID = 27030
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Television picture tube black+white 
Identical to 21FP4

Filament Vf 6.3 Volts / If 0.6 Ampere / Indirect
Information source Essential Characteristics, GE 1973   
 
21fp4_sock.png
21FP4: Essential Characteristics
Anonymous 15 Collector

 

Usage in Models 10= 1953? ; 77= 1953 ; 1= 1954

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):88

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