- The New 1887 Woodward Friction Water Wheel Governor.
- The Gillespie Governor Company History.
- The Gillespie Governor Company History.
- The Emerson Brantingham Implement Company.
- The Emerson Brantingham Implement Company.
- The Emerson Brantingham Implement Company.
- MADE IN ROCKFORD, ILLINOIS, U.S.A.
- MADE IN ROCKFORD, ILLINOIS, U.S.A.
- Looking back at Woodward governor history.
- Looking back at the Woodward Company's governor control history.
- Knowledge is Power!
- IT ALL BEGAN BACK IN 1870...
- INGERSOLL MILLING MACHINE COMPANY.
- Emerson-Brantingham Company History.
- Emerson-Brantingham Company History.