radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

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)   

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


Just Qvigstad
 
a_p_new_dry_cell_tube.jpg

 

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  

Data Compliance More Information