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Croydon London England United Kingdom 1932 stock footage and images

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Training at Tyndall Field Tactical School of the Air University in Florida, United States.

Tyndall Field Tactical School of the Air University. Aircraft in formation. Pilots discuss a map at an airfield. Interiors of school show officers studying and participating in simulated missions. Students gathered around search radar on tower.

Location: Florida United States USA
Date: 1947
Duration: 45 sec
Sound: Yes
Color: Monochrome
Clip Type: Edited
Language: English
Clip: 65675052259
Tunnels excavated and aligned with concrete during construction of Hoover Dam, Nevada.

Early period construction of Hoover Dam. Black Canyon shows river in deep valley between cliffs. Man and materials transferred on Catwalk Bridge. Rocks blasted to make ways. Tunnels excavated in mountains by men. Men bore holes in mountain. Man work on steel rods. Trucks loaded with rocks move up the road on mountain. Trucks dump rocks. Tunnels are aligned with concrete after excavation. Men work with equipment. Rocks on top of the cliffs blasted. Men engaged in drilling and handling explosives. Workers transported through cables suspended between cliffs. Men drill holes in Canyon walls. Holes are blasted. Men suspended from cliff-top. River is diverted toward tunnel. River flows into tunnel. Trucks dump rocks. Excavation vehicles used at construction site. Shovel excavator in operation. Dump trucks are driven. Roads carved in mountains to transport men and material. Rock surfaces prepared for the reception of concrete.

Location: Nevada United States USA
Date: 1936
Duration: 7 min 4 sec
Sound: Yes
Color: Monochrome
Clip Type: Edited
Language: English
Clip: 65675052281
High level concrete mixing plant at Boulder Dam (Hoover Dam) construction site, Nevada.

Construction of Hoover Dam shows a large tractor crane operating. Crane shovel picks up a scoop of sand and gravel from ground. Cargo train crosses a bridge over river. Equipment processes raw materials. Raw material is dumped into hopper from where material is conveyed into plant over belts. Equipment operates. Washing of gravel and sand. Sand and gravel loaded into rail car for transportation. Train loaded with raw material moves on track. Concrete mixing plant equipped with heavy machines. Railroad cars used to transfer material. Men work with pneumatic pump. High level concrete mixing plant shows an operator besides equipment which controls the proportion of concrete ingredients and maintains graphic control. Man at control deck of plant operates the equipment. Raw materials on conveyor belt are dumped into rotary motor. Materials transferred by electric trains. High capacity dump trucks are used. Buckets loaded with materials are transferred by electric trains. Aerial cable ways used to transfer material.

Location: Nevada United States USA
Date: 1936
Duration: 5 min 45 sec
Sound: Yes
Color: Monochrome
Clip Type: Edited
Language: English
Clip: 65675052282
Concrete buckets suspended by cables are dropped on ground at Boulder Dam (Hoover Dam) construction site, Nevada.

Construction of Hoover Dam in June 1933. A bucket of concrete is lowered on ground from mountain top. Base of structure is prepared. Vehicles move on road on Canyon (Black Canyon) wall. Buckets of concrete suspended by cables are dumped on ground. Material is offloaded from truck and transferred through cable ways. Concrete buckets transferred from cliffs. Bucket descends and received by men on ground. Men shovel concrete and operate equipment. Workers from Canyon rim are transferred on ground. Concrete bucket lowered on to construction site. Construction in progress. Two intake towers on each side of the Canyon wall. Other structures constructed for dam.

Location: Nevada United States USA
Date: 1936
Duration: 4 min 15 sec
Sound: Yes
Color: Monochrome
Clip Type: Edited
Language: English
Clip: 65675052283
Hoover Dam structure including four intake towers, spillways and giant power plant, Nevada.

The construction of Boulder Dam, later renamed as the Hoover Dam. Structure of dam erected into canyon. Equipment in tunnels. Giant cranes in operation. Concrete arch-dam in the Black Canyon. Traffic moves on highway over dam. Boat in Colorado River. People sail in boats. Colorado River view. Four intake towers at Hoover Dam. Spillways at Hoover Dam. Hoover Dam power plant to general power. Man points to the map of United States. Electric power setup for the Hoover Dam shows various electric towers, power house and electric lines across desert. Hoover Dam controls water.

Location: Nevada United States USA
Date: 1936
Duration: 5 min 18 sec
Sound: Yes
Color: Monochrome
Clip Type: Edited
Language: English
Clip: 65675052285
A Tesla coil used to create voltage arcs that strike a composite aircraft at Wendover AFB in Utah.

Tests to determine structural integrity of aircraft composite materials by the U.S. Air Force Electromagnetic Hazards Group at Wendover Air Force Base in Utah. A model advanced development composite aircraft in vertical position. A Tesla Coil is used to create extremely high voltage arcs. The voltage arcs strike and pass through the composite aircraft.

Location: Utah United States USA
Date: 1978
Duration: 60 sec
Sound: No
Color: Color
Clip Type: Unedited
Language: None
Clip: 65675031272
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