- Gisholt Machine Company
- Gisholt Machine Company
- Gisholt Machine Company
- GISHOLT
- INGERSOLL MILLING MACHINE COMPANY. b
- Gisholt Machine Company
- National Trwist Drill
- INGERSOLL MILLING MACHINE COMPANY. c
- Fabroil gears
- Foote Gears
- Gears
- INGERSOLL MILLING MACHINE COMPANY
- Rockford, Illinois factory history.
- Rockford, Illinois history.
- INGERSOL MIILLING MACHINE COMPANY HISTORY.