ScientificAmerican1894-10-13.jpg ThumbnailsScientific American 1901-08-10ThumbnailsScientific American 1901-08-10ThumbnailsScientific American 1901-08-10ThumbnailsScientific American 1901-08-10ThumbnailsScientific American 1901-08-10
The New York City water supply -- the new dam at Cornell. Deflecting dam. Site construction.



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

Restoration by: magscanner