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WB800

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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 / Special heater – See text
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. The tube had either horizontal or vertical filament structures. 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
Tube Lore (II)   p. 260

Usage in Models 1= 1922

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

Collection of

 
screenshot_20211120_175759_gallery.jpg

WB800
 

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