- A vintage Rockford machine shop manufacturing history project.
- INGERSOLL MILLING COMPANY, CIRCA 1925
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- THE STAVE FALLS HYDRO POWER PLANT.
- GREENLEE BROS & COMPANY.
- W. F. & John Barnes Company.
- MADE IN ROCKFORD, ILLINOIS, U.S.A.
- WGC PMC MARCH 1995.
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- 6
- 1
- A Wisconsin brewery history project.
- An explanation on why Woodward closed their Hydraulic Turbine Controls Division in Stevens Point, Wisconsin from the WGC PMC March 1995.
- A vintage Rockford machine shop manufacturing history project.
- HIGH HEAD FRANCIS TURBINE AT THE CENTERVILLE HYDRO POWER PLANT.