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One of America's new warships of the air, a mighty YB-17 bomber, is pulled up at a bombardment squadron hangar, Langley Field, Va. It is all set to taxi out to a runway and take off (LOC)
by The Library of Congress
by The Library of Congress
No known copyright restrictions(著作権制限なし)

Students at Washington High School at class, training for specific contributions to the war effort, Los Angeles, Calif. (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 public[iz]ing salvage campaign in yard of Douglas Aircraft Company, Long Beach, Calif. (LOC)](http://farm3.static.flickr.com/2270/2179924352_6894aec80c_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)
No known copyright restrictions(著作権制限なし)

Slag run-off from one of the open hearth furnaces of a steel mills, Republic Steel Corp., Youngstown, Ohio. Slag is drawn off the furnace just before the molten steel is poured into ladles for ingotting (LOC)
by The Library of Congress
by The Library of Congress
No known copyright restrictions(著作権制限なし)

Huge drop hammers work day and night forming sheet metal parts for United Nations bombers and fighters at the North American Aviation, Inc., plant, Inglewood, Calif. The heavy hemp rope is used to snub the hammer so that it forms the part under proper pre
by The Library of Congress
by The Library of Congress
No known copyright restrictions(著作権制限なし)
No known copyright restrictions(著作権制限なし)

Boys trained in the fundamentals of navigation may become technicians in the armed service, Los Angeles, Calif. Thomas Graham, a member of the Victory Corps at Polytechnic High School, is learning to use a sextant to determine longitude and latitude (LOC
by The Library of Congress
by The Library of Congress
No known copyright restrictions(著作権制限なし)

Marine lieutenant, glider pilot in training, ready for take-off, at Page Field, Parris Island, S.C. (LOC)
by The Library of Congress
by The Library of Congress
No known copyright restrictions(著作権制限なし)

Generator hall of the powerhouse, Chickamauga Dam, Tenn. The dam, located near Chattanooga, 471 miles above the mouth of the Tennessee River, has an authorized power installation of 81,000 kw., which can be increased to a possible ultimate of 108,000 kw.
by The Library of Congress
by The Library of Congress
No known copyright restrictions(著作権制限なし)
1,741件~1,800件 (全 42,193件)