- Hydro generator name plate.
- Hydroelectric Power History.
- Just a few of the thousands of parts that make a governor work.
- MADISON WISCONSIN HISTORY.
- Making more room to display more stuff.
- Niagara Falls area history.
- Niagara Falls area history.
- Niagara Falls hydro history.
- Niagara Falls hydro history.
- One of the Westinghouse generator assemblies at the Niagara Falls Power House.
- The bell alarm system with a backup siren.
- The Canadian Falls side at Niagara Falls.
- The inside of a compensating dashpot casting.
- The mechanical timer still works after over 100 years.
- The relay valve history.