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ST90K

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ID = 37739
       
 
   
Tube type:  Thyratron Cold-cathode 
Identical to ST90K = 5823A

Base Miniatur-7-Pin-Base B7G, USA 1940
Was used by Technology / Measurement
Filament

st90k_1.png ST90K: Telefunken Röhrenhandbuch
Wolfgang Bauer

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Just Qvigstad

Collection of

 
siemensst90k.jpg

ST90K
 

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