Machinery | Flickr

Marine lieutenant by the power towing plane for the gliders at Parris Island, S.C. (LOC) by The Library of Congress

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Operating a hand drill at Vultee-Nashville, woman is working on a "Vengeance" dive bomber, Tennessee (LOC) by The Library of Congress

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Operating a hand drill at North American Aviation, Inc., [a] woman is working in the control surface department assembling a section of the leading edge for the horizontal stabilizer of a plane, Inglewood, Calif. (LOC) by The Library of Congress

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Checking the alignment of a turbine shaft at the top of the guide bearing in TVA's hydroelectric plant, Watts Bar Dam, Tenn. Located 530 miles above the mouth of the Tennessee River, the dam has an authorized power installation of 90,000 kw., which can be by The Library of Congress

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