Indiana Harbor Belt RR, switchman demonstrating signal with a "fusee" - used at twilight and dawn - when visibility is poor. This signal means "back up." Calumet City, Ill. (LOC)
Indiana Harbor Belt RR, switchman demonstrating signal with a "fusee" - used at twilight and dawn - when visibility is poor. This signal means "back up." Calumet City, Ill. (LOC)
Size: 1237px × 1616px
Photo credit: © PF-(bygone1) / Alamy / Afripics
License: Licensed
Model Released: No
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