ScientificAmerican1921-06-25.jpg Scientific American 1921-06-18ThumbnailsScientific American 1921-07-09Scientific American 1921-06-18ThumbnailsScientific American 1921-07-09Scientific American 1921-06-18ThumbnailsScientific American 1921-07-09Scientific American 1921-06-18ThumbnailsScientific American 1921-07-09

Front end of a 70-car, 9000-ton coal train, used in brake test. Also, "Canada's great ship canal" and "Tricks of traffic control".

Artist:

Source: Steve Kirch

Restoration by: Michael Ward