- McLean County Historical Society, Bloomington, Ill; Hartzold, Susan; Matejka, Michael, 1953-
- University of Illinois at Urbana-Champaign, University Library
Sona-Mag continues to produce tape units such as this one. They also produced electronic equipment for airports. McLean County became a spot for 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 Advertisements
- For any further information related to this record, please contact the Collection Publisher. See http://images.library.uiuc.edu/projects/tdc for more information about this project.