- Circa 1925.
- STURGRESS WATER WHEEL GOVERNORS.
- A vintage hydroelectric power plant history project.
- A vintage Turbine Water Wheel Manufacturing History Project.
- A vintage Turbine Water Wheel Manufacturing History Project.
- THE PELTON WATER WHEEL COMPANY.
- S. MORGAN SMITH COMPANY.
- His Spirt and Mind Live in Books.
- LIONEL FOR 1924.
- WHITE COAL IS CHEAP.
- Vintage Hydroelectric turbine Water Wheel and governor history project.
- The Woodward Vertical Type Compensating Water Wheel Governor.
- 1,500 Woodward Water Wheel Governors now in use in the year 1909.
- 1,500 Woodward Water Wheel Governors now in use in the year 1909.
- Engineering Data for Governor Installation.