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ID = 27344
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Mag. Eye, 2 ranges, 4 shadow angles   Indication 
Identical to UM305
Similar Tubes
Multiple differences or of other kind:

Base Octal (Int.Octal, IO) K8A, USA 1935
Filament If 0.1 Ampere / Indirect / Series, AC/DC
Description This tube was found in Spain. Probably similar to UM35, though with unknown differences. 
Text in other languages (may differ)
UM305: My collection
Jose Antonio Gonzalez-Ruiz


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