palmer
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M-3 tanks in action, Ft. Knox, Ky. (LOC)
by The Library of Congress
by The Library of Congress
No known copyright restrictions(著作権制限なし)
Annette del Sur publicizing salvage campaign in yard of Douglas Aircraft Company, Long Beach, Calif. (LOC)
by The Library of Congress
by The Library of Congress
No known copyright restrictions(著作権制限なし)
Tightening a nut on a guide vane operating seromotor in TVA's hydroelectric plant, Watts Bar Dam, Tennessee. Located 530 miles above the mouth of the Tennessee River, the dam has an authorized power installation of 90,000 kw., which can be increased to a
by The Library of Congress
by The Library of Congress
No known copyright restrictions(著作権制限なし)
Two women employees of North American Aviation, Incorporated, assembling a section of a wing for a P-51 fighter plane (LOC)
by The Library of Congress
by The Library of Congress
No known copyright restrictions(著作権制限なし)
An employee in the drill-press section of North American's huge machine shop runs mounting holes in a large dural casting, Inglewood, Calif. This plant produces the battle-tested B-25 ("Billy Mitchell") bomber, used in General Doolittle's raid on Tokyo, a
by The Library of Congress
by The Library of Congress
No known copyright restrictions(著作権制限なし)
Palmer's Mystery Hike No. 2
by Powerhouse Museum Collection
by Powerhouse Museum Collection
No known copyright restrictions(著作権制限なし)
This husky member of a construction crew building a new 33,000-volt electric power line into Fort Knox is performing an important war service, Ft. Knox, Ky. Thousands of soldiers are in training there, and the new line from a hydroelectric plant at Louisv
by The Library of Congress
by The Library of Congress
No known copyright restrictions(著作権制限なし)
Palmer's Mystery Hike No. 2
by Powerhouse Museum Collection
by Powerhouse Museum Collection
No known copyright restrictions(著作権制限なし)
Parade of M-4 (General Sherman) and M-3 (General Grant) tanks in training maneuvers, Ft. Knox, Ky. Note the lower design of the M-4, the larger gun in the turret and the two hatches in front of the turret (LOC)
by The Library of Congress
by The Library of Congress
No known copyright restrictions(著作権制限なし)
M-4 tank, Ft. Knox, Ky. (LOC)
by The Library of Congress
by The Library of Congress
No known copyright restrictions(著作権制限なし)
![Back into production go these carloads of scrap metal, Allegheny Ludlum Steel[e] Corp., Brackenridge, Pa. The melting of alloy steels for defense work requires that steel mill scrapyards such as this be constantly filled. The overhead magnet deposits the](http://farm3.static.flickr.com/2404/2179220446_6c5536feed_m.jpg)
Back into production go these carloads of scrap metal, Allegheny Ludlum Steel[e] Corp., Brackenridge, Pa. The melting of alloy steels for defense work requires that steel mill scrapyards such as this be constantly filled. The overhead magnet deposits the
by The Library of Congress
by The Library of Congress
No known copyright restrictions(著作権制限なし)
![Annette del Sur public[iz]ing salvage campaign in yard of Douglas Aircraft Company, Long Beach, Calif. (LOC)](http://farm3.static.flickr.com/2130/2179924200_a73571e7a7_m.jpg)
Annette del Sur public[iz]ing salvage campaign in yard of Douglas Aircraft Company, Long Beach, Calif. (LOC)
by The Library of Congress
by The Library of Congress
No known copyright restrictions(著作権制限なし)
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