Public domain
Aluminum casting. These castings have been sandblasted to clean them and remove all excess material. Two workmen of a large Midwest aluminum factory here remove the finished sandblasted castings from the turntable. Aluminum Industries Inc., Cincinnati, Ohio
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Credit lineAluminum casting. These castings have been sandblasted to clean them and remove all excess material. Two workmen of a large Midwest aluminum factory here remove the finished sandblasted castings from . 1942-01-01. Palmer, Alfred T., United States. Office For Emergency Management. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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