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Scientific American 1903-06-20

ScientificAmerican1903-06-20.jpg ThumbnailsScientific American 1882-06-03ThumbnailsScientific American 1882-06-03ThumbnailsScientific American 1882-06-03ThumbnailsScientific American 1882-06-03ThumbnailsScientific American 1882-06-03

Gigantic ore-handling machinery. Ashtabula harbor entrance. Machinery for operating ore-unloaders at Conneaut. Cargo of a steamer.



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

Restoration by: magscanner