Vintage photos of:
January 1943. Calumet City, Illinois. Indiana Harbor Belt Railroad switchman demonstrating signal with a fusee, used at twilight and dawn, when visibility is poor. This signal means "go ahead." View full size. Caption and 4x5 Kodachrome transparency by Jack Delano for the Office of War Information.
Bethlehem-Fairfield Shipyards, Baltimore. 1941. "Between the ways of this large Eastern shipyard run tracks for flatcars carrying materials or sections to be hoisted onto the deck of Liberty ships under construction." View full size. Medium format nitrate negative by Alfred Palmer.