A stratogyro during its maiden flight in Hollywood, California. Men load bags aboard the stratogyro contraption as they prepare for the maiden flight of the early flight design twin blade helicopter that looks like an early flight combination of an airplane and a helicopter. Pilot Newbauer is helped to put on his cylindrical helmet. He gets into the cockpit and looks out from the window. The pilot tries to take off the aircraft but fails. Men push the plane back in a shed.
Safe use of nuclear weapons by the ( USAF ) United States Air Force. At the Directorate of Nuclear Safety at Kirtland Air Base in New Mexico officers at a meeting. The officers conduct detailed nuclear analysis and survey to achieve nuclear safety standards. An officer at a blackboard. Two officers at a desk as another comes in. The officers look at papers and try to identify and correct conditions that pose a nuclear hazard. The officers of Nuclear Weapons System Safety Group in a meeting. They look at a chart. The officers under the wing of an aircraft as they check pre operational safety standards. An officer climbs into the cockpit of the aircraft. A commander and the Nuclear Safety officer walk towards the aircraft with a building in the background. A nuclear weapon or nuclear bomb is attached under the wing of an aircraft. The commander climbs into the cockpit and the Nuclear Safety officer also climbs up as they look at the control panel of the plane.
'The story of rock drilling ' about the various types of drills and bits used for drilling into rocks in the United States. An iron mine in northern New York. A diamond ore drill being used to explore rock samples. A man works on the drill. Men work on hollow drill rods with core along the lines of the rod. Men place the drill rods in a box in a sequence.
The various types of drills and bits used for drilling into rocks in the United States. An iron mine in northern New York. Men work on rocks in 40 to 100 feet deep mines. Rotators or automatic hammers being used to cut into rocks by a man. The rotators being operated by a hand as they drill into an ore bench in a mine. A man operates a hand rotator to break a large rock fragment.
The various types of drills and bits used for drilling into rocks in the United States. An iron mine in northern New York. Men in a mine use a heavy hammer drill to dig out holes in rocks. A workers fills explosives in the holes. Fuses of the explosives being lit up. The extracted ore being transported in cars. A Corliss hoist in operation.
Max Schmeling arrives in New York, United States. World heavyweight boxing champion from Germany Max Schmeling with a dog in his arms. He smiles as he arrives in New York for a bout with Jack Sharkey. Schmeling aboard a ship.
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