Home / HISTORICAL WATER POWER ENGINEERING. 318
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- Elmer E. Woodward's state-of-the-art oil pressure relay valve water wheel governors patented in 1912.
- The Woodward Governor Factory on Mill Street in the Water Power District in Rockford, Illinois(1910-1941).
- Elmer E. Woodward's state-of-the-art oil pressure relay valve water wheel governor patented in 1912.
- Data from Water Power Engineering, circa 1908.
- Another vintage Elmer Woodward ad from 1905.
- Elmer E. Woodward's state-of-the-art mechanical compensating type water wheel governor.
- Elmer E. Woodward's new water wheel governor from three patents.
- Data from Water Power Engineering, circa 1908.
- A.W. Woodward Friction Water Wheel Governors, circa 1890.
- JAMES LEFFEL LETTERHEAD, CIRCA 1944.
- Woodward Governor Company's shop order #1845, circa 1909.
- ELMER E. WOODWARD'S PATENT NUMBER 608,245.
- Woodward Governor Company's horizontal type F water wheel governor
- Elmer E. Woodward's governor in the Mill House at the Midway Village Musuem in Rockford, Illinois.
- A beautifully restored Woodward Horizontal Compensating Water Wheel Governor.