- Rockford, Illinois history.
- Rockford, Illinois history.
- Rockford, Illinois history.
- Camp Grant history.
- Rockford automoble history from 1936.
- Rockford, Illinois in 1887.
- Rockford, Illinois history from the 1950's.
- The Rockford Watch Company.
- Vintage manufacturing equipment history and advertisements.
- Vintage machine shop manufacturing history project.
- INGERSOL MIILLING MACHINE COMPANY HISTORY.
- ROCKFORD MILLING MACHINE COMPANY.
- Vintage machine shop manufacturing history project.
- Vintage machine shop manufacturing history project.
- Vintage machine shop manufacturing history project.