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White-valve

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ID = 28767
       
 
   
Tube type:  Triode, vacuum   Audio Frequency 
  <1925 very rare. ***
Identical to White-valve
First year 1916 Saga of the Vacuumtube, Tyne page 213, 214

Base Swan-Bajonett B22=22 mm Top contact screw type
Was used by Military and/or Government
Filament If 2.8 Ampere / Direct
Description

Röhre von G. W. White im Cavendish Laboratory, Cambridge, Great Britain entwickelt. Sie wurde im Mark III Verstärker und Mark III Kurzwellenempfänger in Kombination mit einer deForest Audionröhre eingesetzt.

 
Dimensions (WHD)
incl. pins / tip
x 145 x 60 mm / x 5.71 x 2.36 inch
Weight 52 g / 1.83 oz
Literature Saga of the Vacuumtube, Tyne   page 213, 214
History of the British Radio Valve to 1940   pages 33,34 & 126
 
white_valve_uk.jpg
White-valve: Fin Stewart collection
Fin Stewart

 
white_valve_sock.png
White-valve: Tyne, Saga of the Vacuum Tube
Anonymous 15 Collector

 

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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