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220HPT

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ID = 10790
       
Country:
Great Britain (UK)
Brand: Cossor, A.C.; London
Tube type:  Vacuum Pentode   Power/Output 
Identical to 220HPT
Similar Tubes
Other base:
  220HPT_5pin ; CV1118
Base Europe 4-Pin B4 + side contact (Codex=Eoo)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.2 Ampere / Direct / Battery =
Information source Babani, International Radio Tube Encyclopaedia   p. 30 & 31
History of the British Radio Valve to 1940   p.145 & 186
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49
596.png 220HPT: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad 		220hpt_data.png
220HPT: COSSOR VALVE MANUAL 1935-6
Jose Casas-Avalos
Usage in Models 5= 1933 ; 5= 1934 ; 1= 1935?? ; 2= 1935? ; 2= 1935 ; 1= 1936 ; 4= 1937 ; 2= 1938? ; 3= 1938 ; 3= 1939 ; 2= 1940
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):30

Collection of

Sinisa Trlin (HR)
 
gb_cossor_220hpt003.jpg

220HPT
 
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