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DPT

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ID = 3019
       
Country:
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Tube type:  Vacuum Pentode   Power/Output 
Identical to DPT
Similar Tubes
Other base:
  DPT_5pin
First year 1931 The Saga of Marconi Osram Valve

Base British-7-Pin, old (M7A) (Codex=Ndo)
Filament Vf 16 Volts / If 0.25 Ampere / Indirect / Series, DC
Literature - - Manufacturers Literature   
Taschenbuch zum Röhren-Codex 1948/49   
 
dpt.jpg
DPT: RFJ
Roy Johnson

 
d.pt_osram.png
DPT: osram wireless guide 1931
Giuseppe Antonio Tusini


Usage in Models 1= 1931 ; 35= 1932 ; 3= 1933? ; 12= 1933 ; 1= 1934?? ; 2= 1934? ; 9= 1934

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):63


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