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A skilled machinist on a turret lathe in North America's machine shop tests the accuracy of his work with a micrometer
Public domain

A skilled machinist on a turret lathe in North America's machine shop tests the accuracy of his work with a micrometer

Palmer, Alfred T. · 1942-01-01 · photo, print, drawing

From the collection of Library of Congress. Free to download, adapt and use — no permission needed.

Credit lineA skilled machinist on a turret lathe in North America's machine shop tests the accuracy of his work with a micrometer. 1942-01-01. Palmer, Alfred T.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.

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