- The Gillespie Governor Company History.
- The Gillespie Governor Company History.
- A vintage Water Wheel Governor Manufacturing History Project.
- A vintage Water Wheel Governor Manufacturing History Project.
- Emerson-Brantingham Company History.
- MADE IN ROCKFORD, ILLINOIS, U.S.A.
- Knowledge is Power!
- Emerson-Brantingham Company History.
- The Emerson Brantingham Implement Company.
- The Emerson Brantingham Implement Company.
- A Hydro-Electric Power Plant History Project.
- A vintage Rockford farm equipment machine shop manufacturing history project.
- Elmer Woodward's new Oil Pressure(hydraulic) Water Wheel Governor Catalogue for 1913.
- The Emerson Brantingham Implement Company.
- A vintage Rockford machine shop manufacturing history project.