Wounded and recovering veteran soldiers in the United States learn new skills and practice physical therapy after World War 1. Exterior of a building. Recuperating U.S. Army soldiers accompanied by nurses leave the building by way of a long ramp. Vehicles drive past the building. Interior of an office. An assignment officer interviewing soldiers. The soldiers operate machine tools and a pedal-driven saw. A man with bandaged eyes making wicker furniture. A display of lamps and other small articles. Disabled veterans walk along a hallway. Men exercising in a gymnasium. A photographer sets up a studio portrait of a soldier.
A film titled: 'The story of heat treatment of steel' on the heat treatment of steel in the United States. Interior of a laboratory. Varying properties which can be imparted by heat treating different pieces of a steel rod are demonstrated. A man seated at a desk. He stands up and holds a rod of untreated steel. The rod is treated using different heat treating methods. Four treated rods are placed on a table. One of the rod becomes extremely hard. Another rod becomes very soft. The third rod can be bent double without destroying the steel structure. The fourth rod is extremely elastic. A diagram depicts physical properties of steel.
A film dramatizes the use of safety instruction in coal mines in the United States. The Tippleville coal mine. Miners working inside the mine. They load coal in cars. An explosion occurs. The miners run holding their lunch pails. Houses along the sides of a street. Two women standing outside a house. The miners in the mine trying to get out. Lucky Burns, a miner, warns the other miners that they should not try to go out as the entry is full of afterdamp. He says that the air is good at the place where they are standing and thus they should remain at that place only. He instructs the miners to open a door so as to short-circuit the afterdamp, when the air current starts through the mine. Th miners work as per the instructions to save their lives.
A film dramatizes the use of safety instruction in coal mines in the United States. The Tippleville coal mine. Houses along the sides of a street. People walking on a street. Women standing near the entrance to a mine. After sometime, ten men wearing masks arrive. Miners working in the mine. 'Don't shut this door' written on a door. Men working and gathering material to construct a wall. A pipe is built into the wall so that they could test the air outside. Men working after the wall has been constructed.
A film on uses of dynamite in the United States. Open pits on iron ranges of Minnesota. Large quantities of iron ore is mined with the help of dynamite. Men working in the area. A locomotive on a railroad track.
U.S. soldiers in Pietravairano, Italy during World War 2. Men of the 30th Infantry moving across a field. Column of infantry move along a narrow dirt trail, skirting the edge of a village. View of soldiers legs and boots as they walk past the camera.
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