Public domain
Shipbuilding. "Liberty" ships. This is the signal man of a riggers crew at a large Eastern shipyard. He is about ready to give the go-ahead signal to the operator of a large overhead electric crane. Bethlehem-Fairfield Shipyards Inc., Baltimore, Maryland
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineShipbuilding. "Liberty" ships. This is the signal man of a riggers crew at a large Eastern shipyard. He is about ready to give the go-ahead signal to the operator of a large overhead electric crane. B. 1941-01-01. United States. Office For Emergency Management, Palmer, Alfred T.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
