ScientificAmerican1901-09-21.jpg Scientific American 1894-11-03ThumbnailsScientific American 1894-11-03ThumbnailsScientific American 1894-11-03ThumbnailsScientific American 1894-11-03ThumbnailsScientific American 1894-11-03Thumbnails

the great Croton Dam for the water supply of New york City. Spillway and headgate.



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

Restoration by: magscanner