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Moorhead_1

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ID = 50757
       
Country:
United States of America (USA)
Brand: Moorhead Laboratories (Pacific); San Francisco
Developer: Moorhead Laboratories (Pacific); San Francisco 
Tube type:  Gas Triode   Detector 
  <1925 extraordinarily rare. Production was less than 100 items. ****
Identical to Moorhead_1
First year 1915 Saga of the Vacuumtube, Tyne page 167
First Source (s)
Jul.1916 : QST
Successor Tubes 1916   ER_Moorhead  

Base Wires Wires only
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Direct / Battery =
Description

This tube was the made by Moorhead Laboratories during mid 1916 and was announced in 1916 in the July 1916 Electrical Experimenter magazine

 
Dimensions (WHD)
incl. pins / tip
95 x x 18 mm / 3.74 x x 0.71 inch
Literature Saga of the Vacuumtube, Tyne   Page 167
-- Collector info (Sammler)   
 

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