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ID = 56102
United States of America (USA)
Brand: True Blue (Brand); Brightson Laboratories, Inc.; Newark, New Jersey
Developer: True Blue (Brand); Brightson Laboratories, Inc.; Newark, New Jersey 
Tube type:  Triode, vacuum   Audio Frequency 
  <1925 rare.
Identical to 201A_Brightson

Base UV-Base (4 Pins+Bayonet, USA 1914 WE) Other combinations of connections.
Was used by Radio/TV-reception etc.
Filament Direct / Battery =
Description Sold in silk lined boxes - sets of 1, 3, 5 known to exist. 5 volt filament 
Dimensions (WHD)
incl. pins / tip
x 100 x 35 mm / x 3.94 x 1.38 inch
Weight 42 g / 1.48 oz
Information source Saga of the Vacuum Tube, Tyne   p.353

uv~~110.png 201A_Brightson: Fin Stewart
Fin Stewart

Just Qvigstad

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