- The Barber-Colman Company. Full page advertisement.
- A Rockford machine shop manufacturing history project.
- A vintage aircraft industry manufacturing company advertisement project.
- A vintage Rockford machine shop manufacturing history project.
- The Barber-Colman Company and it's products.
- A vintage Rockford farm implement machine shop manufacturing history project.
- ROCKFORD CLUTCH DIVISION.
- The Barber-Colman Company and it's products.
- A Rockford machine shop manufacturing history project.
- THE BARBER-COLMAN COMPANY HISTORY.
- A vintage farm equipment machine shop manufacturing history project.
- A vintage Rockford machine shop manufacturing history project.
- A vintage farm implement machine shop manufacturing history project.
- National Lock Company, circa 1925.
- A Rockford machine shop manufacturing history project.