ScientificAmerican1902-03-08.jpg Scientific American 1902-03-01ThumbnailsScientific American 1902-03-15Scientific American 1902-03-01ThumbnailsScientific American 1902-03-15Scientific American 1902-03-01ThumbnailsScientific American 1902-03-15Scientific American 1902-03-01ThumbnailsScientific American 1902-03-15Scientific American 1902-03-01ThumbnailsScientific American 1902-03-15
Modern blast furnace, showing automatic hoisting and charging equipment.



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

Restoration by: magscanner