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M199A

Information - Help 
ID = 72711
       
Country:
United States of America (USA)
Brand: Mastertone Radio Co.; Newark, NJ
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Triode, vacuum   Universal 
  <1925 very rare. ***
Identical to M199A = 199_UV

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Was used by Radio/TV-reception etc.
Filament Vf 3.3 Volts / If 0.06 Ampere / Direct / Battery =
Description

Mastertone Radio Co.

 
Information source Radio World   Advert May 30th, 1925
-- Collector info (Sammler)   

uv_triode_tube~~35.png M199A: Fin Stewart
Fin Stewart


Just Qvigstad
 
m199a.jpg

 

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