A documentary on the growth and opportunities in television industry in the United States. Several people are required to run the television industry. Students at the New York University. They learn the technical aspects of television. A man briefing the students about how the television programs are actually transmitted. The equipment and the method of production and recordings are demonstrated. A man looking through a camera. 'WPIX television' written on the camera. Students acting for a TV serial.
A documentary on the growth of television industry in the United States. President Harry Truman dedicates the United Nations building in New York. The students filming the event. Exterior of the building. People gather in a large number near the building. President Truman addressing people. Several officials and dignitaries present for the occasion. The telecast of the event in many countries.
A U.S. Navy training film titled 'The Airship Fundamentals, Principles and Operations' on the working of airships. View of a sea in the United States. Anti submarine search is a problem. An airship can search enemy submarines in the ocean. A submarine underway. An airship in flight overhead. 'US Navy' written on the airship. It consists of anti submarine devices. Interior of the airship. A man looks through an instrument. A crew inside the airship.
From a U.S. Navy training film in the United States on the working of airships. Explanation of aerostatics and fundamental principles of an airship is given. They are explained with the help of a balloon. Men aboard the balloon. The balloon ascends. The upward and the downward movement of the balloon is explained. An airship is like a free balloon. Functions of rudder, elevators and other parts of an airship are explained. Helium is used to inflate the envelope of the airship. Men work nearby.
From a U.S. Navy training film in the United States on working of airships. A diagram of an airship. The envelope of the airship consists of helium and air. The pressure of outside air becomes less when helium is filled in the envelope. As helium expands, air is released through air valves. In the same way, when the pressure of outside air increases, then helium is released. If proper pressure is not maintained, the airship can loose its shape. Animation shows the working and functions of the airship. The ascent of an airship. The process of the escape of gas is also explained.
From a U.S. Navy training film in the United States on the working of airships. Specifications and designs of airships are explained. Fleet type airships are called ZP2K airships. Animation shows the design of an airship. Helium in the airship can lift 15 tons. A man aboard an aircraft carrier. Parts of an airship are explained.
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