This series contains photographs of steelworkers and equipment detailing the steel casting process used for making large steel components for Liberty Ships constructed in Portland (Or.) area shipyards during World War II.
Supplemental descriptive information contributed in 2019 by Chris Horn, Facilities Director for Columbia Steel.
Two employees help guide a large, ship's hull casting as it is removed from the mold by a crane at Columbia Steel Casting Company. Note mold half in background with employee riding on top as it’s moved with a crane.
Employees at Columbia Steel Casting Company working to close a mold by placing the cope (top half of the mold) onto the drag (bottom half) of the mold.
An employee uses a prybar to remove the slag after an acetylene cutting torch has cut the riser steel-cast component at Columbia Steel Casting Company.
Two unidentified workers guide a ship's propeller on a crane at Columbia Steel Casting Company. Another worker is visible operating the crane from a booth in the upper portion of the photograph.