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B_Western

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ID = 28408
       
Country:
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Tube type:  Triode, vacuum 
Identical to B_Western
First year 1913 Saga of the Vacuumtube, Tyne Seite 90
Predecessor Tubes A_Western  

Filament Direct / Battery =
Description This type has no bayonet base yet. It was connected by the wires coming from the bulb. 
 

Usage in Models 1= 1917?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

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