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History of the manufacturer  

National Products Sales Co.; Boston, Mass.

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Name: National Products Sales Co.; Boston, Mass.    (USA)  
Abbreviation: nationalpr
Products: Model types

The National Products Sales Company was located at 31 Bedford Street in Boston Mass.

Trade Name; Amplidyne

This manufacturer was suggested by Alan Larsen.

Some models:
Country Year Name 1st Tube Notes
USA  25 Amplidyne "5" UV201A  National Products Sales Company Amplidyne "5" 


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