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ID = 49332
Brand: Unknown - CUSTOM BUILT: France (INCONNU)
Tube type:  Triode, vacuum 
  <1925 very rare. ***
Identical to SGDG2

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Filament Direct / Battery =

Note: SGDG is an abbreviation for (Breveté or Bté) "Sans Garantie Du Gouvernement" = Patent granted without Examination.

Dimensions (WHD)
incl. pins / tip
55 x 105 x 30 mm / 2.17 x 4.13 x 1.18 inch
Weight 45 g / 1.59 oz

Just Qvigstad

Collection of



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