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ID = 28622
Brand: Heussen, M. & Co; Arnhem
Developer: 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 Vacuum Tube, Tyne page 424, 425
Production stop Aug.1924

Base Edison medium E14 = 14 mm, mignon Base on each end.
Was used by Radio/TV-reception etc.
Filament Vf 3.7 Volts / Direct / Battery =

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)

Just Qvigstad
LVB: own collection
Peter den Boer

Collection of



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