Hump master in a Chicago and Northwestern railroad yard operating a signal switch system which extends the length of the hump track. He is thus able to control movements of locomotives pushing the train over the hump from his post at the hump office; Chic
Hump master in a Chicago and Northwestern railroad yard operating a signal switch system which extends the length of the hump track. He is thus able to control movements of locomotives pushing the train over the hump from his post at the hump office; Chic
Size: 1601px × 1249px
Photo credit: © PF-(bygone1) / Alamy / Afripics
License: Licensed
Model Released: No
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