Public domain
Transformer manufacture. These porcelain spirals are part of the works of a power transformer; transformers are essential to war production industries, and this employee of a large Eastern electrical company, working in the bushing section, is contributing essentially to Uncle Sam's war effort. Bush
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineTransformer manufacture. These porcelain spirals are part of the works of a power transformer; transformers are essential to war production industries, and this employee of a large Eastern electrical . 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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