- The Prairie du Sac Hydro-electric power plant history.
- The Prairie du Sac Hydro-electric power plant history, circa 1913.
- The power piston all the way up.
- The link and levers still attached are interesting.
- The largest jet engine governors in the oldwoodward.com collection.
- The Kilbourn Dam and Power house in the Wisconsin Dells.
- The Kilbourn Dam and Power house in the Wisconsin Dells.
- The Kilbourn Dam and Power house in the Wisconsin Dells.
- The Kilbourn Dam and Power house in the Wisconsin Dells.
- The Kilbourn Dam and Power house in the Wisconsin Dells.
- The Kilbourn Dam and Power house in the Wisconsin Dells.
- The internal power piston return spring.
- The completed Prairie du Sac Wisconsin power house, circa 1925.
- The aluminum case cover.
- TFE731 GAS TURBINE ENGINE.