- PATENT NUMBER 680,745
- PATENT NUMBER 680,745
- PATENT NUMBER 680,745
- PATENT NUMBER 680,745
- PATENT NUMBER 680,745
- PATENT NUMBER 680,745
- PATENT NUMBER 680,745
- Allis-Chalmers Manufacturing Company history.
- Allis-Chalmers Manufacturing Company history.
- Niagara Falls Power Company turbines.
- Allis-Chalmers Manufacturing Company history.
- Rainbow Bridge at Niagara Falls.
- Niagara Falls water power.
- Robert Moses Niagara Hydro-Electric Power Plant.
- The American Falls at the Niagara Falls ,USA.