- Saving the past... for the future
- Woodward Hydraulic Water Wheel Governors.
- Woodward Hydraulic Water Wheel Governors. 7.
- Woodward Hydraulic Water Wheel Governors. 2.
- Woodward Hydraulic Water Wheel Governors.
- Woodward Hydraulic Water Wheel Governors. 4.
- Woodward Hydraulic Water Wheel Governors. 5.
- Woodward Hydraulic Water Wheel Governors. 3.
- Woodward Hydraulic Water Wheel Governors. 6.
- PELTON WATER WHEEL COMPANY HISTORY.
- WATER-POWER DEVELOPMENT.
- RIVER MILL DAM POWER HOUSE GOVERNOR.
- PORTLAND GENERAL ELECTRIC COMPANY PHOTO.
- HARPER'S FERRY MANUFACTURING REPORT,CIRCA 1870.
- HOLYOKE TURBINE TESTING REPORT, CIRCA 1880.