Incorporated 1870.
PLANTS[]
- Muncie, Indiana
PRODUCTS[]
- "Hemingray" Glass Insulators
ADVERTISEMENTS[]
American Electrician (December 1905)
The American Telephone Journal (Jan. 5, 1907)
Electrocraft (January 1908)
Electrical Record (November 1911)
Electrical Blue Book (1912)
Electrical Record (June 1912)
EMF Electrical Year Book (1923)