- 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.
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- The first Woodward oil pressure hydraulic water wheel governor from patent number 1,106,434.
- Another vintage Woodward Governor Company governor application found in the year 2021.
- A vintage Hydroelectric Power advertisement project.
- WOODWARD GOVERNOR COMPANY WATER WHEEL GOVERNOR DATA SHEET INDEX.
- ALLIS-CHALMERS HYDRAULIC TURBINE MANUFACTURING HISTORY.
- WATER POWER HISTORY.
- DEER CREEK POWER PLANT PROJECT.
- POWER MAGAZINE HISTORY.
- An original picture of a Woodward VR(vertical relay) type hydraulic governor manufactured in 1916.
- WOODWARD HYDRAULIC GATE SHAFT TYPE WATER WHEEL GOVERNOR HISTORY.
- A HOOVER DAM HISTORY PROJECT.
- A HOOVER DAM HISTORY PROJECT. U.S DEPARTMENT OF THE INTERIOR BUREAU OF RECLAMATION.