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History of the manufacturer  

Ellis Electrical Laboratory Sales Corp.; Chicago, IL

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Name: Ellis Electrical Laboratory Sales Corp.; Chicago, IL    (USA)  
Abbreviation: elliselec
Products: Model types
Summary:

Ellis Electrical Laboratory Sales Corp.
337 W. Madison St.
Chicago, IL  (1931)

Early microphone manufacturer in the 1920's.

History:

This manufacturer was suggested by Robin Roeckers.


Some models:
Country Year Name 1st Tube Notes
USA  29 29N   2-button carbon microphone 
USA  30 Double Button Carbon Microphone 20   Double Button Carbon Microphone 

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