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Sumatra Indonesia 1928 stock footage and images
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Automatic machinery works on gears, crankshaft and camshaft at the Ford River Rouge in Dearborn, Michigan.
Automatic machinery in operation at the Ford River Rouge automobile factory in Dearborn, Michigan. View in auto manufacturing plant as large machine cuts teeth on gear. Worker's hand displays finished gear. Crankshaft worked upon by machine. Moving assembly line in background. Camshaft polished by machine as operating worker monitors the machine in the factory.
Workers assemble wire spokes, operate presses, stamp parts and shape steel at Ford River Rouge Plant,Dearborn, Michigan.
Workers assemble wire spokes to rim and hub at the Ford River Rouge in Dearborn, Michigan. Welding done by machine. Wheels on conveyor belt. Workers work on presses in a large room. Metal body parts stamped out. Long row of electric furnaces. Workers heat and shape steel
Copper ore mined and copper metal extracted at a copper mine in Montana, United States.
Documentary titled 'The Inside Story of Your Telephone'. Describes raw materials used in telephone manufacturing. Dynamite crew places dynamite at a copper mine in Montana, United States. Miners shovel the blasted ore onto ore cars. Ore is loaded into converters. Slag is poured off. Stacked bars of pure electrolytic copper. Picture of a telephone made of copper.
American women workers punch mica into strips and washers.
Describes raw materials used in telephone manufacturing. The map of India is shown. Women workers in America punch mica into strips and washers that insulates a telephone's transmitter. Animation shows the use of mica inside a telephone's transmitter.
Cotton is picked and bailed in United States.
Describes raw materials used in telephone manufacturing. Women pick cotton at a cotton farm in United States. Bales of cotton taken on hand carts. Animation shows the use of cotton thread inside a telephone's transmitter.
Silk worms taken from mulberry trees, sorted and placed on thorns to weave cocoons in China.
Describes raw materials used in telephone manufacturing. The map shows location of China. Silk worms are taken from mulberry trees in China. Worms are sorted and placed in a nest of thorns to weave cocoons. Cocoons are picked up from the nest. Man shows a box containing various samples of silk. Animation shows the use of silk as an insulator inside a telephone.
