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GR280/DA

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ID = 30143
       
Country:
Germany
Brand: Deutsche Glimmlampen GmbH, (DGL), Otto Pressler; Leipzig
Tube type:  Voltage Regulator, single   Power-supply 
Identical to GR280/DA
Similar Tubes
Normally replaceable-slightly different:
  GR280_Obenanschluss-Schraube
Other base:
  GR280/DR
Multiple differences or of other kind:
  GR280 ; GR280/A

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 Top contact screw type.
Filament --/--
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   group 494

gr420dr_sock~~1.png GR280/DA: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

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Just Qvigstad

Collection of

Collection of a member from D
 
gr280da~~1.jpg

GR280/DA
 

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