- The Woodward Governor Company's Hoover Dam Cabinet Actuator Governor, circa 1937.
- The Woodward Governor Company's Hoover Dam Cabinet Actuator Governor from Shop Order H201, circa 1937.
- The Woodward Governor Company's Hoover Dam Cabinet Actuator Governor from Shop Order H201, circa 1937.
- The Woodward Governor Company manufactured their one-millionth governor in 1970.