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402P

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ID = 15360
       
Country:
Great Britain (UK)
Brand: Cossor, A.C.; London
Tube type:  Triode, vacuum   Power/Output 
Identical to 402P
First Source (s)
1936 : History of the British Radio Valve to 1940 p.180
Base British-7-Pin, old (M7A) (Codex=Na) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 40 Volts / If 0.2 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Dimensions (WHD)
incl. pins / tip		 53 x 135 x mm / 2.09 x 5.31 x inch
Weight 66 g / 2.33 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   p. 34 & 35
153_2.png 402P: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad 		402p_data.png
402P: COSSOR VALVE MANUAL 1935-6
Jose Casas-Avalos
Usage in Models 1= 1935? ; 2= 1935 ; 1= 1936
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4

Collection of

Roy Johnson (GB)
 
402p.jpg

 
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