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ID = 39568
Russian Federation
Brand: Svetlana; St. Petersburg
Tube type:  Voltage Limiter, rare gas filled 
Identical to Р-27

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament No heater


Dimensions (WHD)
incl. pins / tip
18 x 24 x mm / 0.71 x 0.94 x inch
Weight 6 g / 0.21 oz
Information source -- Collector info (Sammler)   
Р-27: eigenes Foto
Sigurd Hauschild

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