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US-Gliders- stock footage and images
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Women convey messages from an operating table to a central point with belts in the United States.
A film on technological advancements in the United States. Use of belts to convey messages from an operating table to a central point. Women operate a multiplex system. They put a messages on a belt. Telegrams are routed by use of pigeon holes. The telegrams are dropped down a chute and are pigeon holed by a woman. Time is stamped on all the telegrams with an electric clock. A woman stamps the telegrams. Women put the routed telegrams in a carrier. The transmission of a message.
A telephone, radiophone, phonograph, and Aldis lamp demonstrated in the United States.
A film on technological advancements, innovations, and inventions in the United States during the industrial age and industrial revolution. An actor portraying Benjamin Franklin talks to other men. A man explains to him how a wireless is operated. Benjamin Franklin actor at a telephone switchboard. An operator hands him earphones. Franklin listens. A radiophone in operation. A recording being played on a phonograph. Closeup view of the needle on the phonograph while the record is playing. Franklin listens to radio. Two men, standing near a biplane aircraft, operate a battery-powered Aldis lamp. (Slate incorrectly refers to Heliograph, which uses the sun as light source.) One man uses a sight to aim the lamp at the intended recipient of the message. The other man, holding the battery, sends coded message by operating a key on the battery box. Biplane in flight overhead signals back. Franklin seated at a desk writes in candlelight.
Parts and systems of electronic computers for bookkeeping, in an early 1960s computer room in the United States.
A film on bookkeeping services and use of early model computer technology to improve efficiency of banking services in the United States. A man seated at a desk while at work. Early model computer central processor in operation. A bank check being placed in the loading mechanism of a "reader-sorter" machine. The machine reads symbols printed in magnetic ink. The bank identification number of the check is checked. After checking the identification number, documents are read. Information contained in the magnetic symbols is checked. The documents are sorted. The information is placed on a magnetic tape. Close-up views and wider views of of computer magnetic tape and magnetic tape drive machines. Next, the information is processed and sent to a high speed printer for immediate examination. Man wearing glasses examines pages from the printer as it runs a continuous feed paper roll. Sorting of the documents. The documents are arranged in numerical order by the machine. A woman works loading magnetic tape reels on the tape drive machine. The master file containing complete data of each account is worked upon. Views of lights on the early model computer. The computer reads an identification number. Several information and transactions of the customers are added to previous transactions. Another master file is created using the information. It records the information of the customer account. Other information like that of overdrafts and closed accounts is also recorded. The customer statement is prepared. Customer information and opening balance is recorded from a tape. Information about the current balance is also recorded. A woman works on a reader sorter machine in operation. It sorts the checks. Close-up view of printer running continuous feed paper and printing transaction information. Tape unit containing complete information of all accounts is printed. View of an analog clock and a hour glass with sand in it. Narrator states that the computer will take 3 or 4 hours to complete the accounting for up to 30,000 daily deposit transactions, which would formerly take 60 man hours for the same operation. Views of the computer central processor unit (CPU) and views of the computer operator's console. A man seated at the console desk works. Three men wearing business suits, who are employees or officers of the Merchandise National Bank of Chicago, are seeing viewing blueprints and discussing.
A man looks through an instrument from an airship in flight over a sea in the United States.
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.
Explanation of aerostatics and fundamental principles and functions of parts of an airship is given in the United States.
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. Two men seen in basket of a large helium balloon aboard the balloon, while tethered to the ground. One of the men offloads some sand from a ballast of sandbags and the balloon is seen rising higher as a result. 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.
Preflight inspection and take off of an airship in the United States.
From a U.S. Navy training film in the United States on the working of airships. Operations of airships. A crew goes aboard and members take their stations. They check parts of the airship. A radioman checks electronic gear. A navigator prepares for a mission. An elevator man also checks his controls. A command pilot sits between a rudder man and the elevator man. Auto pilot is installed to take care of normal cruising conditions. The ship is undocked and brought into position for a take off. Men watch the airship. 'US Navy' written on the ship. Diagram depicts the functions of different parts of airship. The airship takes off.
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