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ID = 15355
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Developer: Western Electric Company Inc.; New York (NY) 
Tube type:  Transmitting Triode, air cooled 
Identical to 356A = 4356A
Successor Tubes 364A_WE   705A   356B  

Base Medium 4-pin, ceramic disc (Codex=Bx) Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 5 Volts / If 5 Ampere / Direct

All-glass T18 domed bulb with cap and ceramic base ring. Mu 50, 50W anode power, 100Mhz operation.

Western Electric only known U.S. manufacturer.

356A tubes were also used in the pulse modulator of the early CXAS UHF radar.

Information source Taschenbuch zum Röhren-Codex 1948/49   
Tube Lore (I)   
356A: JV
Jay Vonderhey

356A: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

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