ScientificAmerican1901-07-06.jpg Scientific American 1881-03-12ThumbnailsScientific American 1902-03-15Scientific American 1881-03-12ThumbnailsScientific American 1902-03-15Scientific American 1881-03-12ThumbnailsScientific American 1902-03-15Scientific American 1881-03-12ThumbnailsScientific American 1902-03-15Scientific American 1881-03-12ThumbnailsScientific American 1902-03-15
Water supply of New York: Handling excavated material from the Jerome Park Reservoir. Goodwin bump car unloading broken stone. Front view of the plow, showing mold-board forcing load from the car. Barnhardt side plow. Locomotive and Lidgerwood Hoisting engine for pulling plow over train of flat cars.



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

Restoration by: magscanner