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.
An unidentified employee Employee removes solidification gusset with an acetylene cutting torch from a ship hull casting at Columbia Steel Casting Company.
An employee using a swing frame grinder on a stern frame casting in the cleaning room at the Columbia Steel Casting Company foundry. Caption from bottom of negative reads, “Center section in cleaning room. Pouring weight 50,000 pounds.”
Employees at Columbia Steel Casting Company watch as a specialized frame holding a stern frame pattern of ship’s hull casting is removed by overhead crane.
Employees use screens for facing the mold cavity for a stern frame while shoveling heap sand and using a specialized frame for drawing the complicated pattern out of the mold at Columbia Steel Casting Company.
Three unidentified workers operate above-ground molding equipment designed by Columbia Steel Casting Company to speed production of large stern frames during World War II.
Three unidentified workers operate above-ground molding equipment designed by Columbia Steel Casting Company to speed production of large stern frames during World War II.
Unidentified molders at Columbia Steel Casting Company work under the cope of a mold. Molders use core nails to secure chills, the mold parting compound is visible (white at edge of mold cavity).
Two employees work on cleaning a casting at Columbia Steel Casting Company. One employee uses a cutting torch to remove rigging, and another uses a bar to hand chip off sand.
An employee using an electric swing frame grinder to clean skeg off a ship frame casting at Columbia Steel Casting Company. The caption at the bottom of the image reads, “Skeg being cleaned.”