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Production. Milling machines and machine castings. Precision gears are essential for machine tools to ensure accurate, smooth, quiet operations and long life. This gear grinder -- itself a machine tool -- is perfecting the working surfaces between the teeth of a milling machine gear. The milky liqui
Public domain

Production. Milling machines and machine castings. Precision gears are essential for machine tools to ensure accurate, smooth, quiet operations and long life. This gear grinder -- itself a machine tool -- is perfecting the working surfaces between the teeth of a milling machine gear. The milky liqui

Palmer, Alfred T., United States. Office For Emergency Management · 1942-01-01 · photo, print, drawing

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

Subjects
safety film negativesmid westunited states
Credit lineProduction. Milling machines and machine castings. Precision gears are essential for machine tools to ensure accurate, smooth, quiet operations and long life. This gear grinder -- itself a machine too. 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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