Unemployed United States military veterans of World War I demonstrate and protest in the United States, appealing for jobs and work. They march with flags, boards and placards. Boards and banners read, "Keep your promises, Give us work", "give a job to a vet". Houses along the sides of the street. Men stand on a vehicle and address the demonstrators. Flag on the vehicle.
Coal and zinc mining in the South Western region of the United States, especially in Oklahoma. Miner riding on cart as it exits a mine tunnel into the light. Coal loaded in trains on the railway track. Zinc production facilities in north eastern Oklahoma. Zinc material being loaded into railroad cars. Man driving pallet mover uses it lift a pallet of lead, produced near the zinc deposits. Scene shifts to Oil well towers and oil derricks in Texas. Wide view of many oil wells on open land with a railroad train going by in the foreground. Production of petroleum in the area. Animated map shows regions of oil drilling in Texas and nearby southwestern states. Additiona views of oil wells, rigs, storage containers. Oil wells seen in foreground with tall buildings of Oklahoma City, Oklahoma in the background. View of petroleum refining facilites on Texas Gulf coast near Port Arthur. Animated map showing Texas gulf ports and shipping routes for oil and related products to other regions of the U.S. and the world. Animated map summarizing trade routes inside the United States with various products supplied from the southwestern U.S., and different kinds of products received from other states in the U.S.
Technicians set up and test electronic equipment in United States. Electronic equipment on table. The technician tests the equipment. He connects its wire to other equipment and switches it on. He again checks and switches it on.
A hand turns dial on a small transistor radio in United States. The radio transistor placed on a table. The radio is tuned to Conelrad frequency.
U.S. Air Force technician setting up electrical equipment for an experiment. He inserts metal tube into a cylinder within a ring of metal. The equipment is wired from both the sides. He rotates the assembly for easy viewing.
A device for generating pulses of intense light is placed on a table. Other equipment in the background. A small projection screen is placed in front of the equipment. It reflects the pulses of light generated by the electrical device.
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