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History of the manufacturer  

Ray-Di-Co Organization, The; Chicago, Illinois

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Name: Ray-Di-Co Organization, The; Chicago, Illinois    (USA)  
Abbreviation: ray-di-co
Products: Model types

The Ray-Di-Co Organization was located at 1547A North Wells Street in Chicago, Illinois.

This company advertised radio items in the early 1920's Radio News magazine.


This manufacturer was suggested by Alan Larsen.

Some models:
Country Year Name 1st Tube Notes
USA  22 Baby Wonder Receiving Set   The Ray-Di-Co Organization Baby Wonder Crystal Receiving Set. 
USA  21 Rotary Spark Gap    


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