Also Mutual Electric & Machine Company.
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Electrical Record (November 1911)
Electrical Record (June 1919)
EMF Electrical Year Book (1921)
The Jobber's Salesman (August 1927)
The Jobber's Salesman (August 1927)
The Jobber's Salesman (August 1927)
The Jobber's Salesman (August 1927)
The Jobber's Salesman (September 1927)
Electrical Record (October 1928)
The Jobber's Salesman (October 1931)
Electrical Wholesaling (August 1949)