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MS/Pen_7-pin

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ID = 43004
       
Country:
Great Britain (UK)
Brand: Cossor, A.C.; London
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to MS/Pen_7-pin
Similar Tubes
Other base:
  MS/Pen
First Source (s)
22.Nov.1935 : Wireless World (The), London (WW, 79)

Base British-7-Pin, old (M7A) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Information source History of the British Radio Valve to 1940   p. 145 & 195
Babani, International Radio Tube Encyclopaedia   p. 120 & 121
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49

158_11.png MS/Pen_7-pin: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
Usage in Models 1= 1935??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of

 
mspen.jpg

MS/Pen_7-pin
 

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