Generator Room, Power-Station No. 3

Generator Room, Power-Station No. 3. From Elbert Hummard, Power or The Study of Niagara Falls (East Aurora, NY: Roycrofters, 1914), n.p.
Generator Room, Power-Station No. 3. From Elbert Hummard, Power or The Study of Niagara Falls (East Aurora, NY: Roycrofters, 1914), n.p.