History of Signal Electric Company, Menominee, MI 

      From Menominee County Historical Society Archives

at the Michael J. Anuta Research Center 



Update  9/2004:  Emerson Tool Company has announced they will be closing their Menominee facility by the end of 2005.  The production now done at Menominee will be moved to Mexico.



Telegraphy Products Brochure

1922 Herald Leader Article    

The Spark Key Project, more information on Signal and other keys

Signal Electric Home Page

 K8IR Home Page