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History of the manufacturer  

Madison Industries Products Development Co.; Lawrence, IN

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Name: Madison Industries Products Development Co.; Lawrence, IN    (USA)  
Abbreviation: madison-2
Products: Model types
Summary:

Madison Industries Products Development Company
Lawrence 26, Indiana

Known as the manufacturer or distributor of the Mantola M-4D transistor radio circa 1957 and perhaps other models.

History:

This manufacturer was suggested by Jerry Elarton.


Some models:
Country Year Name 1st Tube Notes
USA  57 Mantola All Transistor M-4D   Same circuit as the Regency TR4.  Sold by B.F. Goodrich stores. 

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