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History of the manufacturer  

Automobile Accessories; Bristol

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Name: Automobile Accessories; Bristol    (GB)  
Abbreviation: automobil
Summary:

Automobile Accessories (Bristol) Ltd.,93-95 Victoria Street, Bristol.

Mentioned in "Valves for Commercial Receivers 1931-1935".

History:

This manufacturer was suggested by Konrad Birkner † 12.08.2014.


Some models:
Country Year Name 1st Tube Notes
GB  27 P.D. Mark XVIIIS   Tuned H.F. transformer, anode bend, two transformer-coupled LF valves. Wave range 300-500 ... 
GB  27 P.D. Mark XIXS   Detector with grid condenser and leak and two transformer-coupled LF valves. 300-500 and 1... 
GB  27 P.D. Mark XVIA   Detector with grid condenser and leak and two transformer-coupled LF valves. 300-500 and 1... 
GB  27 P.D. Mark VIII   Detector with grid condenser and leak, two transformer-coupled LT valves. Tuning fixed whe... 
GB  27 P.D. Mark XVA   Detector with grid condenser and leak, Transformer-coupled LF valve. Receiver only with lo... 
GB  27 P.D. Mark XXI   Detector with grid condenser and leak. Receiver only with loading coil socket for intermed... 
GB  27 P.D. Mark XVIII   Two tuned HF valves, grid-leak detector, two transformer-coupled LF valves. Wave range 160... 
GB  27 P.D. Mark XVII   HF, detector, two transformer-coupled LF valves. 
GB  27 P.D. Mark XV   Detector with grid condenser and leak and one transformer-coupled LF valve. 300-500 and 10... 
GB  27 P.D. Mark XIX   Detector with grid condenser and leak and two transformer-coupled LF valves. 300-500 and 1... 
GB  27 P.D. Mark XX   Tuned HF transformer, anode bend, transformer-coupled LF valve. Wave range 300-500 and 100... 
GB  27 P.D. Mark XIVA   Detector with grid condenser and leak and two transformer-coupled LF valves. 300-500 and 1... 

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