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209_Marine

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ID = 28950
       
Country:
France
Brand: Grammont (Radiofotos, Fotos); Paris, Malakoff
Tube type:  Triode, vacuum 
Identical to 209_Marine
First year 1924 ?? Saga of the Vacuumtube, Tyne page 401

Base Europe 4-Pin (A, 4A, B4, since 1914)
Filament Direct / Battery =
Tube prices 1 Tube prices (visible for members only)
Literature Saga of the Vacuumtube, Tyne   page 401
 
marine_209_grammont_1.jpg
209_Marine: Ralf Keil
Anonymous 194 Collector

 

Collection of a member from D

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