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History of the manufacturer  

Radolian Company, Watford

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Name: Radolian Company, Watford    (GB)  
Abbreviation: radolian
Products: Model types

Radolian Company, 52, Bushey Grove Road, Watford, Herts.


This manufacturer was suggested by John Koster.

Some models:
Country Year Name 1st Tube Notes
GB  27 Radolian   Anode bend detector, two resistance-capacity-coupled LF valves. Wave range 300-550 metres.... 


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