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WB800

Information - Help 
ID = 19993
       
Country:
United States of America (USA)
Brand: Westinghouse El. & Mfg. Co. - see also Canadian W.
Developer: Westinghouse El. & Mfg. Co. - see also Canadian W. 
Tube type:  Current Regulator, Iron in Hydrogen   Text 
  <1925 very rare. ***
Identical to WB800
First year 1922 Saga of the Vacuum Tube, Tyne page 312

Was used by Radio/TV-reception etc.
Filament If 0.8 Ampere / Direct / Battery =
Description

Was designed as a ballast tube for the WR21 in the radio Aeriola Grand.  It was necessary for this tube to insure that the rated filament current was not exceeded when power was supplied from a 6 volt storage battery.It is fitted with a B4 base but has only the filament pins. Each WR21 tube in the set had a WB800 ballast tube It was discontinued in September 1922..

 
Text in other languages (may differ)
Information source Saga of the Vacuum Tube, Tyne   Page 312
 
westinghouse_wb800_fl.jpg
WB800: Ebay item February 2020
Fin Stewart

 

Usage in Models 1= 1922

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

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