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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
Summary:

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.

History:
?

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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