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+"United States USA" +1918 stock footage and images
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United States soldiers create a smokescreen using Stokes Mortars during a training operation in the United States
A United States Army training film about chemical warfare service. United States soldiers in World War 1 fire Stokes Mortars after assembling them. Soldiers in arms-length line pass readied mortars forward and fire them in rapid succession. Explosions in the distance with smoke spreading and overcoming the area in smokescreen. (World War I; World War 1; WWI; WW1)
Pilot in a World War I biplane aircraft prepares gun for firing.
Pilot in open cockpit of World war I vintage biplane. He wears helmet and goggles. He taps his machine gun, and looks around.
Men work on the processing of planetary gear in a machine shop, United States.
The processing of planetary gear in a machine shop, United States. Interior of the machine shop. Workers assemble the turbine inside the shop. Machining the lower and upper part of maneuvering valve. Boring end of reduction gear case. Men machining the reduction gear case. Planetary gear forging. Processing of the planetary gear and various stages of the completion of the gear. Cutting teeth of planetary gear, driving pinion and internal gears. Worker machining gear cage which carries planetary gears. They balance the gear cage. Workers work in the planetary gear and cage assembly. Unit of planet gear reduction being assembled into case. Propeller shaft thrust bearing at right hand. A skeleton unit showing the reduction of speed from 8.4 to 1.
Men work on the processing of a turbine in a machine shop in United States.
The processing of a turbine in a machine shop in United States. Interior of the machine shop. An assembly of rotor disc and blades. Men work on the rotor blades. Brazing band on end of blades to stiffen them. Men turn the turbine shaft. A man watches the turning turbine shaft. Rotor ready to be placed in the turbine casing.
Steam turbine engine is assembled and readied for shipment from a machine shop in United States.
Interior of a machine shop. Workers assemble a turbine. They assemble the maneuvering valves. The completed turbines and the reduction gear. A sign reads: '2500 horse power steam turbine engine used in eagle boats, Ford Motor Company'. Turbine and reduction gear ready for shipping. The turbine at work.
A Colt Model 1911 sidearm is assembled
A Colt Model 1911 and its various parts. The semi-automatic pistol including magazine spring, slide, magazine catch, trigger assembly, and barrel are shown being assembled in an animated sequence, part by part.