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UM305

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ID = 27344
       
Country:
Germany
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:
  UM35

Base Octal (Int.Octal, IO) K8A, USA 1935
Filament If 0.1 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Description This tube was found in Spain. Probably similar to UM35, though with unknown differences. 
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Just Qvigstad

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um305_1.jpg

UM305
 

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