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CW-1819

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ID = 28453
       
Country:
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Tube type:  Transmitting Triode, air cooled 
Identical to CW-1819 = VT-6 = 212A
First year 1926 ?? Saga of the Vacuumtube, Tyne Seite 289

Filament Vf 14 Volts / If 6.25 Ampere
Description 250 Watts. U.S. Navy designation for WE 212A.
According to Tyne, pg.290, the 212A (CW-1819) was replaced in 1924 by 212D, U.S. Navy CW-1819B. The first series date of the CW-1819 should be therefore accordingly anticipated. 
Literature Saga of the Vacuumtube, Tyne   
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