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The use of the power generated by the working of steam turbines in the United States.
The working of the steam turbines in the United States. Men work in a steam turbine factory. Electricity being generated through the working of a steam turbine. Electricity in houses and buildings. Men operate the machinery and equipment in factories through the power generated by steam turbines. Men aboard a ship. A man at controls of the ship. Ship convoy underway at sea.
Officer explains the procedure and the methodology of working of an air raid warning service in the United States.
A film titled: 'Spread the alarm' on the air raid warning systems and civil defense procedures in the United States during World War 2. A map locates different places. Newspaper headlines about the air raids and bombardment. Officer seated at his desk in the office. He explains the working of the air raid warning service with the help of a diagram. He states that the warnings are reported over telephones. He points at the diagram and explains the procedure. He talks about the radar service to detect the activities of incoming enemy aircraft for the purpose of air raid. As an enemy aircraft is detected, the information is communicated through the telephone lines established for the purpose. The information is disseminated through various warning centers. He also explains the air raid precaution service with the help of another diagram. He says that the rescue team takes care of the damage and the casualties. The district warning centers provide the additional aids to the people.
The liaison between the telephone system and civilian defense units for air raid drills in the United States.
The air raid warning systems in the United States during World War 2. An air drill in Newton, Massachusetts. A Daprato Statuary company building on fire (a drill meant to simulate fire from bombardment.) A warden in uniform reports the bomb damage to the information center. A sign reads: 'Report Center (Telephone Room)'. Men and women work inside the room. A woman talks on the telephone and she notes down the information about the location, time, date and other essential things on a paper. Chief warden and other officials seated in the report center. The report about the bombardment is given to them. The location of damage is planted on a map. They take quick actions and assess the impact and needed response. Messages are relayed by uniformed Boy Scouts standing by. Fire equipment and medical aid is dispatched to the scene. A sign reads: 'District Warning Center'. Public utility representatives stand by to take charge of the repair of water mains, electrical and telephone equipment. A map locates various areas in New England, United States.
Man at the controls of the stern wheel paddle steamer WL Quinlan underway at the Mississippi river in the United States.
The stern wheel steamer steamship WL Quinlan underway at the Mississippi river, United States. A man at the controls of the steamer boat. The steamer underway at the Mississippi river. Mountains and trees in the background. Buildings in the foreground. Smoke rise from the stacks of steam ship. The stern wheel of the steamer.
Smoke from the stacks of the stern wheel paddle steamer WL Quinlan underway at the Mississippi river in the United States.
The stern wheel steamship WL Quinlan underway at the Mississippi river in the United States. A sign board reads: 'Mississippi river'. The stern wheel steamboat WL Quinlan underway at the river. Smoke rise from the stacks of the steamer. The stern wheel of the steamer ship. Houses in the background.
The stern wheel in operation of the steamer WL Quinlan underway at the Mississippi river in the United States.
The stern wheel paddle steamer WL Quinlan underway at the Mississippi river in the United States. The stern wheel of the steamship or steamer boat WL Quinlan. The steamer underway in the river. Smoke from the stacks of the steam ship. Buildings in the foreground. The stern wheel of the steamer in operation.