Fueling of destroyer, USS Cooper (DD-695) underway at sea in the United States. Sailors aboard a destroyer ship. Officers maneuver the destroyer. An engineer involved in the preparations. An animated diagram shows information applicable when a destroyer takes on board fuel oil from a tanker alongside and both ships are underway. The small tanks are filled first. The officers work efficiently and wear life jackets. Men at forward fueling station. An animated diagram shows the course taken by the destroyer and the tanker. The animated diagram shows the collision of both ships. The heaving line and towing line are taken from the tanker to the destroyer ship. The free end of the messenger is returned to the destroyer. Sailors hold the fuel hose and take it to the tanks. A safe distance is maintained between the two ships. The straps are cut after refueling and the destroyer ship increases it's speed. (Note: The USS Cooper was torpedoed by the Japanese Destroyer, Take, during an engagement with Japanese naval forces in the Gulf of Leyte, on December 3, 1944. Reportedly, She exploded, split in two, and sank. Of her crew, only 168 could be rescued. The remaining 191 lost their lives.)
Explanation of the basic principles of torsion bar suspension. The vehicle suspension uses a torsion bar as the main weight bearing spring. United States tank destroyer 3-inch Gun Motor Carriage (GMC) M10 and 76 mm Gun Motor Carriage M-18 tank destroyer move along an uneven terrain. M-10 uses spring type suspension and M-18 uses torsion bar suspension. A man uses a model to describe the principles of torsion bar suspension used on army track vehicles. He uses a plain piece and a simple model for demonstration of principles. The bar's torsion resistance is demonstrated. Torsion bar and suspension bar are explained by the model.
Planes in flight during Air Corps Demonstrations of Command Schools in United States. U.S. Army Air Corps Curtiss P-1 Hawk aircraft taxis on field. Planes take off and in flight over targets. Curtiss P-1 Hawk planes in flight in formation. Us Army Air Corps Curtiss-Martin NBS-1 planes in flight. Bombardiers release bombs. Planes strike targets. Smoke rises up due to explosions.
Simulated attack and planes in flight during Air Corps Demonstrations of Command Schools in United States. The planes simulate an attack on enemy squadron of attack planes. Planes in flight in formation. Us Army Air Corps Douglas A-2 attack aircraft, Curtiss A-3 Falcon aircraft and Curtiss-Martin NBS-1 planes being attacked by Curtiss P-1 Hawk aircraft.
A pictorial history of the episodes in the life of Calvin Coolidge, the 30th President of the United States of America. Governor Coolidge during a ceremony at Plymouth Rock, the 'stepping stone to liberty', with his wife Grace Coolidge and Massachusetts Senator Henry Cabot Lodge. Several other men present. Calvin Coolidge arrives home and receives an ovation from his Northampton neighbors on his nomination for the Vice Presidency. His family is greeted by a throng of Northampton citizens. Coolidge stands on the steps of his house and greets the people. Coolidge pledges to uphold the best traditions of the Republic during his nomination. A large crowd gathered for the event. Calvin and Grace Coolidge cast their vote in the elections. A crowd waits outside as the two emerge from a building.
A depiction of episodes in the life of Calvin Coolidge, the thirtieth President of the United States. Calvin Coolidge, Chief of the Cabinet with the Cabinet members outside a building. U.S. Army troops march after Coolidge's election as the President. The U.S. flags displayed at various places on a street. U.S. Navy ships underway. President Coolidge, the Commander-in-Chief of U.S. Armed Forces. The U.S. flag flutters. The White House.
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