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FZ21VS

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ID = 34649
       
Country:
Germany
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Photocell High vakuum 
Identical to FZ21VS

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Filament --/--
Description Blue sensitive. 
Text in other languages (may differ)
Information source - - Manufacturers Literature   Telefunken Spezialröhren, 1968
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fz21vs_sock.png FZ21VS: Telefunken Spezialröhren, 1968
Anonymous 15 Collector


Just Qvigstad
fz21vs_spec.png
FZ21VS: Telefunken Spezialröhren, 1968
Anonymous 15 Collector

Collection of

 
fz21vs_telefunken.jpg

 

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