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LVB

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ID = 28622
       
Country:
Netherlands
Brand: Heussen, M. & Co; Arnhem
Tube type:  Gas Triode   Detector 
  <1925 rare.
Identical to LVB
First year 1920 - - Manufacturers Literature Ad in January 1921 - but made already in 1920.
First Source (s)
Jan.1921 : -- Collector info (Sammler)
1922 : Saga of the Vacuumtube, Tyne page 424, 425
Production stop Aug.1924

Base Edison medium E14 = 14 mm, mignon Base on each end
Filament Vf 3.7 Volts / Direct / Battery =
Description There are at least two slightly different looking tubes: The early type which is pictured in the Heussen catalog , dated April 1922. In an other catalog, dated November 1922, this LVB has a glass arbor against microphonics. 
Text in other languages (may differ)
 
holland_rl4.jpg
LVB: EE
Ernst Erb

 
lvb2datasmall.png
LVB: own collection
Peter den Boer



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