go ahead

Indiana Harbor Belt RR, switchman demonstrating signalwith a "fusee"-
used at twilight and dawn - when visibility is poor. This signal means
"go ahead." Calumet City, Ill.
Delano, Jack, 1914- photographer.
CREATED/PUBLISHED
1943 Jan.





In the roundhouse at a Chicago and Northwestern Railroad yard, Chicago, Ill.
Delano, Jack, 1914- photographer.
CREATED/PUBLISHED
1942 Dec.

Have a look at more of Jack Delano´s colour photos at the FSA site
(see F links) A true pleasure.