Rappelling demonstration on the Academy grounds of the Federal Bureau of Investigation (FBI) in Quantico, Virginia. An agent on the terrace of a building. He rappels quickly down the side using a rope. He then backs away from the tower and signals 'all clear' to the top of the tower.
Rappelling at the Quantico, Virginia Federal Bureau of Investigation (FBI) Academy. An agent throws a rope over the side of a tower and then descends using rappelling techniques. He then demonstrates that he can lock himself using the rope and free both hands to more easily traverse the face of the building.
Workers work at Stearman factory in Wichita. They construct parts of aircraft. Welders work in the factory. General layout of the Plant. Lathe workers work. Lumber storing and cutting room. Wing sections made for aircraft. Welders work. Sections of Plant handle fuselage frameworks. Workman sprays framework.
Workers work at Stearman factory in Wichita, Kansas. They construct parts of aircraft. Two men work on framework of aircraft wing. Men work in the wings section of the aircraft.
Workers work at Stearman factory in Wichita. They construct parts of aircraft. Fuselages of Stearman PT-17 completed. Interior of factory shows semi completed Stearman PT-17's. Several rows of PT-17`s starting engines on an airbase. Men stand nearby. Cars pass on street. Aerial view of the several rows of PT-17's.
Measures for the eradication of marine borer at Edgewood Arsenal in Maryland. Man at the pier inspects the piling. The piling is destroyed completely by the marine borer. Man watches the wrecked wood. He cuts a part of the wood and watches it. He takes the marine borer 'Bankia Gouldi' in hand. The head of the pest. Man impregnates the marine pillars with toxic compounds. Another man helps him. The pillars are placed in an apparatus to impregnate them with toxic compounds. Man watches and compares both types of wood before and after intoxicating.
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