- Page 2 of the artical.
- Sectional view of a hydraulic water wheel governor.
- A vintage Water Wheel Governor Manufacturing History Project. Page 1.
- A Vintage Machine Shop Manufacturing History Project.
- Largest Reaction Turbine Runner Yet Built in the West.
- A vintage machine shop manufacturing history project about the hydro-electric power plant Industry.
- JOHNSON HYDRAULIC VALVES.
- Governors that were in the Woodward Governor Company's collection back in the 1970's.
- Governors that were in the Woodward Governor Company's collection back in the 1970's.