ScientificAmerican1899-07-22.jpg Scientific American 1892-03-05ThumbnailsScientific American 1899-11-11Scientific American 1892-03-05ThumbnailsScientific American 1899-11-11Scientific American 1892-03-05ThumbnailsScientific American 1899-11-11Scientific American 1892-03-05ThumbnailsScientific American 1899-11-11Scientific American 1892-03-05ThumbnailsScientific American 1899-11-11
Niagara Falls Power Plant. Power house, wheelpit, and tailrace tunnel. Rotary transformer for local railway supply. 5000 HP Generators.



Source: Steve Kirch, collector, and creator of a great website about SCIENTIFIC AMERICAN in the past

Restoration by: magscanner