The O'Shaughnessy dam across the Toulumne River,in the Hetch Hetchy valley, Yosemite National Park. It is named for the San Francisco City Engineer, M.M. O'Shaughnessy. Water flowing in the Hetch Hetchy aqueduct as seen from a boat. A view of the O'Shaughnessy dam from distant hillside. View of dam from above. Powerhouse. Electrical distribution system. Turbine deck in powerhouse. Controlled release of water from the dam. Water flowing through the powerhouse.
United States Government film entitled "The World At War" dealing with World War 2. Film opens showing Japanese warplanes in formation above a Japanese military installation. Slate reads: "Pearl Harbor December 7, 1941. An airfield is seen filled with parked U.S. Army Air Forces B-17 bombers. Two Boeing XB-17 (Model 299) bombers are parked next to each other on the ramp. Derricks and ships are shown at the Pearl Harbor naval base. A formation of Japanese Mitsubishi G3M bombers is seen in flight. They are seen overhead as bombs explode on the U.S. Navy Air Station at Ford Island destroying hangars and aircraft. Next, is shown the famous image of the USS Arizona burning, listing, and sinking, after being bombed. Film continues, panning over post-air raid views of destruction. On December 8, 1941, U.S. President Franklin D. Roosevelt, addresses the Congress, delivering his declaration of war message. He calls December 7, 1941 "a date which will live in infamy." Roosevelt recounts that the United States was at peace with japan and in conversation with its government and Emperor, in the interest of maintaining peace.in the Pacific. even at the time of the attack. Japanese ambassador and his colleagues seen visiting State Department offices to meet with U.S. Secretary of State prior and even during the initial attack operations by Japan.Roosevelt recounts that the United States was still in conversation with Japan even at the time of the attack. Japanese ambassador and his colleagues seen visiting State Department offices to meet with U.S. Secretary of State prior and even during the initial attack operations by Japan. Photographers take pictures of the visiting Japanese delegation. President Roosevelt asks Congress to affirm that a state of War exists between the United States and the Japanese Empire.
Douglas D558-2 Skyrocket research aircraft, built for the U.S. Navy, is seen taking off from Muroc Army Airfield (AKA Edwards Air Force Base). in first test flight, piloted by Douglas test pilot, John F. Martin. It makes gradual ascent passing low over the camera. In this first flight it is powered by a Westinghouse J34-40 turbojet engine. (After early flights with the jet engine, it would re-powered by a rocket engine.)
Life of a U.S. Air Force personnel and his family in Alaska, United States. Air Force family and guests eat supper at a dependent's home at Elmendorf Air Force Base. Small child eats in a high chair. One woman shows her earings to other. Two men look at certificate which had been presented to TSGT Art Foster. Wife of Air Force personnel dusts furniture at a home and talks over a phone.
Mountains and snow covered land at Elmendorf Air Force Base in Alaska, United States. Elmendorf Air Force Base with mountains in the background. American interceptor aircraft F-102A on a takeoff run. Snow covered mountain ranges.
Life of U.S. Air Force personnel's family in Alaska, United States. Interior of Elmendorf Air Force Base, Hobby Shop. Women work on ceramics and two Air Force sergeants work in a hobby shop. Stenciled sign: Hobby Shop, Hours 0730 -- 2200.
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