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- McFarlane-Eggers Machinery Co 006
- A James Leffel Water Wheel blueprint number 43640, circa 1944.
- 6
- ELMER WOODWARD'S FIRST HYDRAULIC TURBINE WATER WHEEL GOVERNOR PATENT.
- 24
- Page 46.
- FAIRMOUNT WATERWORKS PA 16
- SHOP ORDER 3186 8
- The Upper Peninsula of Michigan. An inventory of historic engineering and industrial sites.
- The Mill City hydro dam.
- 13
- A Woodward Relay Valve Oil Pressure Turbine Water Wheel Governor Application.
- SHOP ORDER 3186 2
- PELTON WATER WHEEL COMPANY HISTORY.
- Pelton type 0-5 governor