Public domain
A New Britain-Gridley lathe is worked by an experienced operator at a Midwestern company. The machine which formerly made spur gears, worm wheels and commentator rings has been converted to war use by being tooled with an eccentric spindle and thread rolling attachment for the production of twenty-m
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Credit lineA New Britain-Gridley lathe is worked by an experienced operator at a Midwestern company. The machine which formerly made spur gears, worm wheels and commentator rings has been converted to war use by. 1942-01-01. United States. Office Of War Information. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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