Tanks with Sulphur and Zinc Oxide, written on them lie at a rubber manufacturing factory in United States. Piles of white sacks being carried on a hand driven cart in the factory. Two workers open the cover of the conveyor and look at the white powder dropping into a hole. Bins with Whiting and Zinc Oxide written on them are seen in the background.
A film titled "The world's telephone workshop". Opening scene shows ceremony on March 10, 1916, with Alexander Graham Bell, inventor of the telephone, unveiling a plaque at the invention site of the telephone in Boston, Massachusetts, United States. The plaque, at 109 Court Street, states "Here the Telephone was Born, June 2, 1875" and it notes that it was placed by The Bostonian Society and the New England Telephone and Telegraph Company. Alexander Graham Bell tips his hat to the crowd as they celebrate the unveiling. View of Western Electric Company plant in Chicago as smoke emerges from chimneys. Turbines in coal power plant. Massive group of thousands of American workers gathered together, from all walks of life, who are employed in the telephone industry.
Workers work on various machines at Western Electric Company to manufacture telephone in Chicago,Illinois. Presses,planes,drills and mining machines in operation at the plant. Wires being stranded.
Workers assemble telephone parts at Western Electric Company in Chicago,Illinois. Manufactured telephones being inspected by workers at the plant.
Road construction in the United States. Workers use crane to move bucket of concrete from truck to a concrete spreader. Concrete spreader in operation. Worker on a concrete spreader. Workers use hand tools to spread concrete.
Road construction in the United States. Loaded truck moves over a partially graded road bed. Fleet of trucks being loaded one at a time with mud by power shovel. Trucks being driven on rough road.
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