Atomic bomb production and its use in the United States. Doctor Ernest O. Lawrence experiments with the cyclotron at the University of California, Berkeley. View of the exterior and interior of the cyclotron. An animated diagram shows the results of the splitting of the uranium atom. Diagram shows a nucleus, electrons and protons. Atomic structures of Helium, Lithium and Uranium. A diagram of the creation of barium and krypton, and the release of atomic energy. Aerial and ground views of Y-12 atomic energy testing, uranium enrichment, and manufacturing plant at Oak Ridge, Tennessee created during Manhattan Project. Workers walking on the grounds of the the plant. The Trinity Shot first atomic explosion is shown near Los Alamos, New Mexico on July 16, 1945. Flash of explosion and a cloud of smoke rises as seen from U.S. Army cameras 6 miles away. Two other views of the explosion are seen from other camera positions while narrator explains the effects. U.S. President Harry S. Truman speaks of the need to keep the secrets of the atomic bomb among the U.S., the U.K, and Canada, alone, until they find successful techniques to control the bomb and protect the world from total destruction. He indicates that he will work the the U.S. Congress in the effort and make the power a force for world peace. Truman asks that God guide the U.S. in how to use the technology in His ways and for His purposes. (World War II period).
Dropping of a Mark 25 Aerial mine in Japan. 21st Bomber Command base at an island in the United States. The Mark 25 mine at the base. Hydro static devices, an extender and a clock delay mechanism. Mines loaded onto B-29 planes. They are dumped on trailers and a parachute is attached to after end. Explosive charge, the extender and the clock mechanism are put in a safety lock. A water soluble washer is attached. An officer specify an enemy area on a map. Group commanders are briefed. A B-29 plane takes off. The bombing door opens on the target. The mine is dropped. The parachute opens. The mine drops in water. (World War II period).
Bobby Jones wins the U.S. Open Championship after holing a 40 feet putt at Interlachen Country Club in Minneapolis, Minnesota. Bobby Jones tees off. People follow the ball. A crowd at the golf course. Bobby Jones is presented the championship trophy.
Dr. Julio Prestes de Albuquerque, Brazil's new President visits United States. U.S. President Herbert Hoover greets him. A ship arrives at port in New York. President Prestes walks down stairs with officials. He poses. Boat in sea. U.S. and Brazilian Presidents pose at white House in Washington DC.
Incarnation on statue of Edgar Allan Poe corrected by the artist in Baltimore, Maryland. Statue and incarnated words on its platform. Black paint on one letter of the incarnation. Edmond Fontaine shows the removed extra 'S' from the inscription on the platform of statue of Edgar Allan Poe.
A fire dog plays with children in Richmond, California. Girls play in a park. Children slide from a slider. A dog slides too. The dog climbs up the stairs of slider. He moves on a wheel board.
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