View of ventilated drift inside a copper mine at Butte in Montana, USA. A canvas air pipe runs along the length of the drift. Timber blocks support the ceilings of the drift.
Exteriors of a copper mine at Butte in Montana, USA. Sweeping view of mining operations on hillside in background and shops and homes of mining town in foreground. A shift of mine workers waits in queues to enter man-cars at the surface. Miners enter the mine lift elevator cars ready to be lowered in the mine.
A mine worker wet-drilling at a stope of a copper mine in Butte, Montana. Water is sprayed from drills onto stope walls that makes sludge of the cutting and prevents dust.
Square Set Timbering is seen inside a stope at a copper mine in Butte, Montana. Timber logs provide a support to the soft and broken rock adjoining the veins of the ore. Mine workers drill inside a stope. Timber placed in square set fashion can be seen.
Evolution of United States Air Force uniforms in the United States. A pilot in a 1927 U.S. Army Air Corps uniform in the front cockpit of a trainer. Another pilot in a 1927 U.S. Army Air Corps uniform in the cockpit. A pilot in a 1927 U.S. Army Air Corps uniform takes off his officers' hat and puts on a helmet. He climbs into the cockpit of the aircraft. A French Nieuport fighter aircraft takes off. A German Fokker D VII fighter aircraft takes off. The Nieuport aircraft and the Fokker D VII aircraft make low passes over a runway.
'The Epic American Trans Atlantic Flight' depicts crashes involving various pilots in the United States. Captain Charles A. Lindbergh. On September 21, 1926, Rena Fonck stands in front of his Sikorsky airplane, ready to try a solo flight across the Atlantic to Paris. He takes off and crashes in flames.
Navy Commander Richard E. Byrd poses. On April 16, 1927, his Fokker C-2 trimotor airplane ("America"), piloted by Anthony Fokker, with Byrd, Floyd Bennett, and George O. Norville,on board, flips over on takeoff at Hasborough, New Jersey. In September, 1927. Clarence Chamberlin in a Bellanca plane taxis and takes off. The tail and right main wheel dig into the soft field on landing and the airplane is severely damaged. The wreck of the "American Legion" Keystone Pathfinder airplane that carried Commander Noel Davis and Lieutenant Stanton Wooster to their deaths, in a crash landing, in the Back river, near Langley Field, Virginia, In Paris, on April 26, 1927,Frenchmen, Captain Charles Nungesser and Francois Coli pose before taking off on their ill fated flight, in a Levasseur PL8 aircraft, named " White Bird." Charles Lindbergh standing next to his mother,Evangeline Land Lindbergh. The "Spirit of St. Louis" is towed out and refueled at Mineola, New York. Charles Lindbergh climbs into the plane and makes a bumpy takeoff. Bystanders watch. People gather to greet him upon arrival in Paris. Lindbergh poses with U.S. Ambassador to France Myron Herrick. Lindbergh honored by the French President Gaston Doumergue.