Bofors forty-millimeter mounts. The machine of bronze rings gears for the production of Bofors forty-millimeter anti-aircraft guns mounts and carriages at a large Midwest rubber factory involves skilled precision operations. Here an expert workman is making the final cut on a vertical turret lathe. When this operation is complete, the bronze ring will be moved to the gear for the concluding operation
Summary
Picryl description: Public domain image of an industrial building, factory, workshop, workers, 19th-20th century, free to use, no copyright restrictions.
Tags
Date
01/01/1941
Contributors
Palmer, Alfred T., photographer
United States. Office for Emergency Management.
Location
Source
Library of Congress
Copyright info
Public Domain