Diagram of P-47 Thunderbolt shows loop and slow roll. The aircraft in flight performs slow roll during training. View of Air Base on ground. From a U.S. Army Air Force training film on flying the P-47.
Diagram of P-47 Thunderbolt depicts slow roll and Immelman turn. The aircraft in flight performs Immelman turns during training. Diagram of half roll altitude chart. From a U.S. Army Air Force training film on flying the P-47.
Diagram of half roll altitude chart. P-47 Thunderbolt demonstrates half roll during training. Various views of the P-47 Thunderbolt in flight, demonstrating various aerobatic rolls, turns, and dives. From a U.S. Army Air Force training film on flying the P-47.
Sketches of struggle for borders and territory between Canada and United States. Leaders of American colonists like Patrick Henry protesting taxation without representation. British guards protecting paper. Burning of paper used for taxation. Images of traders from New York area who made great wealth trading overseas. Fire on British ships. Sketches of the Boston tea party with colonists disguised as Indians hurling tea into the harbor. Sketches of former British Prime Minister William Pitt and Lord North shown debating in Britain. With commentary and narration by J. Frank Willis.
View of the Aztec-built Pyramid of the Sun in the ancient city of Teotihuacan, outside Mexico City, Mexico. It is the third largest pyramid in the world. Stairs lead to the top. View of sacrificial altar where human sacrifices were offered. Various Aztec idols on pedestals, displayed for tourists. A large stone calendar (the Piedra Del Sol) used by the Aztecs, with two guards standing by.
Los Angeles County Relief Administration (LACRA) workers build a 24 mile long Bell sewer, 12 deep in Los Angeles, California. They dig and brace the sides of the trench using pounded stakes. They add a gravel bed and then lay pipes into the trench. Engineers gather to inspect the pipe, led by LACRA chief engineer Ralph Smith. By hand, workers operate a giant pump handle with a massive hook on the end, which pulls massive timbers from deep buried positions along the line of the trench.
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