- A HOOVER DAM HISTORY PROJECT.
- A HOOVER DAM HISTORY PROJECT. U.S DEPARTMENT OF THE INTERIOR BUREAU OF RECLAMATION.
- Brad's history tour of the Hoover Dam.
- Another Woodward Development... the Motor-Driven Fly-Balls.
- The Woodward Oil- Pressure Governor... A Governor that Responds Quickly and Accurately to Load Variations.
- The Woodward Oil Pressure Governor... A Governor that Responds Quickly and Accurately to Load Variations.
- A Woodward hydrauilc HR series water wheel governor.
- WOODWARD GOVERNOR COMPANY WATER WHEEL GOVERNOR DATA SHEET INDEX.
- Irl C. Martin's Notes On The Old Woodward Governor Company's Water Wheel Governor Numbering System.
- Irl C. Martin's Notes On The Old Woodward Governor Company's Water Wheel Governor Numbering System.
- The Woodward Governor Company's Mill Street factory from 1910 to 1940.
- Quote from the Woodward Governor Company's catalogue M, circa 1930's.
- Elmer Woodward's new oil pressure relay valve water wheel governor from his 1912 patent.
- A Woodward VR(vertical relay) type hydraulic governor from patent number 1,106,434, circa 1912.
- The first Woodward oil pressure hydraulic water wheel governor from patent number 1,106,434.