- COOLIDGE DAM AZ
- KERN COMPANY'S HYDROELETRIC POWER PLANT IN CALIFORNIA .
- Oconto Falls Wis 1917 001
- Kern County Number 1 Hydro-electric Power Station History.
- FAIRMOUNT WATERWORKS PA
- GRUBER WAGON WORKS PA CA 5
- NORRIS COTTON MILLS 1939
- Providing a stable influence with WGC digital controls 003
- TOCCOA FALLS INSTITUTE 2
- Kern County Number 1 Hydro-electric Power Station History.
- Irving Governor gate setting dial.
- MECHANICAL DESIGN OF HYDRO ELECTRIC POWER PLANTS.
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- 112
- Georgetown Steam Plant Seattle WA