ScientificAmerican1902-08-23.jpg Scientific American 1902-08-16ThumbnailsScientific American 1902-08-30Scientific American 1902-08-16ThumbnailsScientific American 1902-08-30Scientific American 1902-08-16ThumbnailsScientific American 1902-08-30Scientific American 1902-08-16ThumbnailsScientific American 1902-08-30Scientific American 1902-08-16ThumbnailsScientific American 1902-08-30

The building of American locomotives: Part 2. Second stage of locomotive erection: Cylinders, frames, and boiler in place. Front view of the 20,000th Baldwin locomotive showing arrangement of the four cylinders and two piston valves. Planing the bearings for the frame rails. The boiler shop. Hydraulic press for flanging boiler plates. Fourth stage of locomotive erection: the boilers and cylinders lagged with magnesia.



Source: Steve Kirch, creator of a wonderful website about SCIENTIFIC AMERICAN in the past

Restoration by: magscanner