Power Houses and Transformer House -
The Niagara Falls Power Company

Photo credit: n/a.
Source: The Niagara Falls Electrical Handbook: Being a Guide for Visitors from Abroad Attending the International Electrical Congress, St. Louis, Mo., September, 1904. Niagara Falls, N. Y. : Pub. under the auspices of the American Institute of Electrical Engineers, 1904. p. 70.