ScientificAmerican1902-04-26.jpg Scientific American 1902-03-08ThumbnailsScientific American 1902-05-10Scientific American 1902-03-08ThumbnailsScientific American 1902-05-10Scientific American 1902-03-08ThumbnailsScientific American 1902-05-10Scientific American 1902-03-08ThumbnailsScientific American 1902-05-10Scientific American 1902-03-08ThumbnailsScientific American 1902-05-10
Manufacture of steel rails. blast furnace and hot-blast stoves. Tapping contents of blast furnace into ladles. Pouring hot metal from ladle into mixer. Blower to ladle. Pouring ingots. Trainload.



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

Restoration by: magscanner