- The Woodward Governor Company manufactured their one-millionth governor in 1970.
- 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's Hoover Dam Cabinet Actuator Governor, circa 1937.
- SPEED REGULATION OF HIGH HEAD WATER WHEELS.
- SPEED REGULATION OF HIGH HEAD WATER WHEELS.
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