Telephone and telecommunication equipment at a telecommunication center in the United States. The telephone equipment beside a man hole on a city street. A worker beside the equipment. A worker lowers gear into the man hole. Men on the road and buildings in the background. View of electrical equipment inside a telecommunication center building controlling the telephone system. Employees checking specific gravity and temperature at the equipment. Another equipment in view at the center.
Telephone cable repairing on poles in the United States. A car drives along a road lined with telephone poles. Trees and bushes on either side of the road. The car stops on the road and a worker gets down and puts on spurs. The worker climbs up a telephone pole and repairs the line. A worker on a platform on a telephone pole. The worker attaching a telephone cable.
Telecommunication equipment and early telephone system infrastructure in the United States. A conduit in an open trench. A partitioned section of the conduit lowered into the trench. Views of equipment at a telephone company center.
Telecommunication process demonstration in the United States. A man standing beside an equipment at a telecommunication center. A diagram showing telephone communication. The man demonstrating the processes in telephone communication. The man wears headphones and holds a pointer in his hand. The man demonstrates by pointing to the various processes in the telecommunication diagram. Motion picture crew members atop a building. Several buildings in the background. One of the men wearing a colonial costume. Crew director demonstrates wave motion by dropping an object into water in a tub. View of the crew director standing atop the building.
Telecommunication process at a telecommunication center in the United States. Several women telephone operators seated at a switchboard. Telegrams received. Telegraph typed messages are transferred to a paper tape (ticker tape) by circular keyboard equipment. Men getting the tape edited and transmitted.
A cattle ranch in the United States. Men work at the ranch. They hammer logs of wood. Cattle graze at the ranch. Men catch hold of the cattle and brand the livestock with an electric branding iron. Snow covered mountains. The cattle being branded by the electric branding iron.
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