Home / Engineering history on Woodward compensating type water wheel governor systems. 14
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- SPEED REGULATION in the HYDRAULIC TURBINE POWER PLANT.
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- James Leffel & Company letter from May 6th, 1925.
- James Leffel & Company letter from May 6th, 1925. Page 2.
- James Leffel & Company letter from April 30th, 1925.
- James Leffel & Company letter from April 30th, 1925. Page 2.
- The Trump Manufacturing Company letter, circa 1913.
- Woodward Governor Company Shop Order 1010, circa 1905.
- Woodward Governor Company Shop Order 729, circa 1904.
- Woodward size D governor for the McCord Company, circa 1917.
- Woodward Governor Company letterhead.
- Woodward size D governor serial number 2761, made in 1915.