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by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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![Part of the cowling for one of the motors for a B-25 bomber is assembled in the engine department of North American [Aviation, Inc.]'s Inglewood, Calif., plant (LOC)](http://farm3.static.flickr.com/2396/2179073859_7ee70cacc3_m.jpg)
by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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![[Electric phosphate smelting furnace used in the making of elemental phosphorus in a TVA chemical plant in the Muscle Shoals area, Alabama] (LOC)](http://farm3.static.flickr.com/2282/2179139231_3739906901_m.jpg)
by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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![Switch boxes on the firewalls of B-25 bombers are assembled by women workers at North American [Aviation, Inc.]'s Inglewood, Calif., plant (LOC)](http://farm3.static.flickr.com/2199/2179862028_83cc1f8d72_m.jpg)
by The Library of Congress
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![Riveting team working on the cockpit shell of a B-25 [i.e. C-47] bomber at the plant of North American Aviation, Inc., Inglewood [i.e. Douglas Aircraft Company, Long Beach], Calif. (LOC)](http://farm3.static.flickr.com/2166/2179068949_bd0f6410f0_m.jpg)
by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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![Bessemer converter (iron into steel), Allegheny Ludlum Steel[e] Corp., Brackenridge, Pa. (LOC)](http://farm3.static.flickr.com/2044/2178430515_d88779d275_m.jpg)
by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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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)](http://farm3.static.flickr.com/2024/2179861666_7bcd3bbbbb_m.jpg)
by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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by The Library of Congress
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![[Men working on telephone lines, probably near a TVA dam hydroelectric plant] (LOC)](http://farm3.static.flickr.com/2142/2179061201_9dc6316ae0_m.jpg)
by The Library of Congress
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by The Library of Congress
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