Harnessing of different forms of energy and utilization of manpower for the industrial development of the United States.
A documentary depicts events in the development of the United States and shows scenes of commerce, industry and natural resources. Shirtless men in khaki shorts (US Army?) practice calisthenics during an exercise drill. American men and women work in a factories and peace time industries post war, and laboratories (scene of a chemist with test tubes and beakers and burners). A man blowing glass. Harnessing of water, wind, solar and soil energy. Scenes of turbines, generators and motors to use energy. Men working in factories to increase production. Smoke comes out of stacks and chimneys. Iron ore processing and hot conditions. People work in different industries. Mass production in the U.S. Typewriters being assembled in a factory. Kitchen hand mixers on an assembly line at a manufacturing plant. Assembly line of automobile industry. 1940s era cars and trucks moving along assembly line in car manufacturing factory. Location: United States USA. Date: 1947.