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Thursday, 16 November 2006 01:00 |
A Concentration is the relative amount of a substance mixed with another substance. An example is five PPM of Carbon Monoxide in air or 1 mg/l of iron in water.
Other /More definition: A Concentration is the amount of one material dispersed or distributed in a larger amount of another material Other /More definition: A Concentration is amount of a chemical in a particular volume or weight of air, water, soil, or other medium. See parts per billion, parts per million. See parts per billion, parts per million. Flickr PhotosThese pictures about "Concentration" have been delivered by flickr on a random basis. We have no influence on it. All rights belong to their respective owners. |  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)by The Library of CongressPalmer, Alfred T.,, photographer.
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
1942 Oct.
1 transparency : color.
Notes:
Title from FSA or OWI agency caption.
Transfer from U.S. Office of War Information, 1944.
Subjects:
North American Aviation, Inc.
Airplane industry
Assembly-line methods
World War, 1939-1945
Women--Employment
Bombers
United States--California . . . |  With careful Douglas training, women do accurate electrical assembly and installation work, Douglas Aircraft Company, Long Beach, Calif. (LOC)by The Library of CongressPalmer, Alfred T.,, photographer.
With careful Douglas training, women do accurate electrical assembly and installation work, Douglas Aircraft Company, Long Beach, Calif.
1942 Oct.
1 transparency : color.
Notes:
Title from FSA or OWI agency caption.
Transfer from U.S. Office of War Information, 1944.
Subjects:
Douglas Aircraft Company
Airplane industry
Women--Employment
World War, 1939-1945
Assembly-line methods
United States--California--Long Beach
Format: Trans . . . | |
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