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ID = 69016
United States of America (USA)
Brand: Moorhead Laboratories (Pacific); San Francisco
Developer: Moorhead Laboratories (Pacific); San Francisco 
Tube type:  Triode, vacuum   Audio Frequency 
  <1925 very rare. ***
Identical to D_Moorhead-UV
Similar Tubes
Normally replaceable-slightly different:
Other base:
  CF-185 ; D_Moorhead-E12

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Was used by Radio/TV-reception etc.
Filament Vf 6 Volts / If 0.84 Ampere / Direct / Battery =

This tube is a later development of the Series "D" moorhead tube made in 1923. It is a decendant of the de Forest CF-185 triode made in the middle of 1917. The tube is fitted with a nickel plated brass UV base

Information source -- Collector info (Sammler)   
D_Moorhead-UV: Bill Condon collection, with kind permission of Mrs V Condon
Fin Stewart


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