Automatic switching equipment takes place of yardmen for sorting cars in freight terminal at Mechanicsville, N. Y.; with new equipment yard has proved able to sort cars and place them in outgoing trains in less than half time previously necessary; description of car retarders, electric switches, control board, etc.
Speeding up a railroad yard
Sci. Am
Scientific American ; 139 , n 5
1928
2 pages
6 Figs.
Article (Journal)
English
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