- McLean County Historical Society, Bloomington, Ill; Hartzold, Susan; Matejka, Michael, 1953-
- University of Illinois at Urbana-Champaign, University Library
The Audi-Cord Corp. in Normal advertises electronic equipment, including cartridges, recorders, and reproducers. McLean County became home to many electronic firms in the 1970s and '80s. How we learn about communities. 16 History; 13 Science, Technology and Society; 15 Economics; 18 Social Systems.
- McLean County, Illinois
Electronic apparatus Electronic industry
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