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A-P_DryCell

Information - Help 
ID = 69433
       
Country:
United States of America (USA)
Brand: Atlantic-Pacific (A-P) Radio Laboratories Co. Inc.; San Francisco
Developer: Atlantic-Pacific (A-P) Radio Laboratories Co. Inc.; San Francisco 
Tube type:  Triode, vacuum   Audio Frequency 
  <1925 very rare. ***
Identical to A-P_DryCell = 306M

Base UV199
Was used by Radio/TV-reception etc.
Filament Vf 3 Volts / If 0.06 Ampere / Direct / Battery =
Description

The base of one sample of this tube has "New A-P Dry Cell Tube" printed on it. This tube is the same as the UV199 type but is slightly different, electrically. It was first made in 1923. Some tubes have nickel plated bases and some plain brass. It is also known as the 306M.

 
Information source -- Collector info (Sammler)   
 
a_p_new_dry_cell_tube.jpg
A-P_DryCell: Bob Millard collection
Fin Stewart

 
99uv~~2.png
A-P_DryCell: Fin Stewart
Fin Stewart

 

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