ScientificAmerican1903-06-20.jpg Scientific American 1903-06-13ThumbnailsScientific American 1903-06-27Scientific American 1903-06-13ThumbnailsScientific American 1903-06-27Scientific American 1903-06-13ThumbnailsScientific American 1903-06-27Scientific American 1903-06-13ThumbnailsScientific American 1903-06-27Scientific American 1903-06-13ThumbnailsScientific American 1903-06-27
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