Rebuilding activities in Berlin, Germany after World War II. Three German laborers make a chain and load salvaged bricks into a truck. Heaps of debris seen in front of the damaged buildings. A man rides a bicycle through the street. Vehicles pass by.
Visitors at the Russian Memorial Park in Berlin, Germany. The Russian Memorial Park, "Garden of Remembrance" formerly called the Treptower Park. People gathered around the Motherland statue and a kneeling soldier statue in the park. People walk in the park area. Side of portal designed as a stylized Soviet flag. View of the hill pavilion and the statue of the Soviet soldier holding a German child and stamping on a crushed Swastika. The park is been converted by the Soviets into a War Memorial.
Animated map shows the four different zones of Germany after World War II.: British, Soviet, French and American Zone. Animated map focuses on the Soviet zone and shows the Iron Curtain rising along the Soviet Border. Russian troops march through streets in Berlin. Civilians board trains on streets. Russian woman directs traffic. Damaged buildings in the background. Russian officers enter and leave Headquarter in Berlin. East German men and women workers on farms. Russian soldiers and East German civilians pull heavy machinery for shipment to Russia. Interior of the Dresden China Works. Civilians mold and paint china articles.
New techniques in aerial torpedo attack, United States. An aircraft in flight over a sea. The aircraft releases torpedo in water. Torpedo moves. Men haul trolley loaded with the torpedo. The shroud ring or ring tail is in conjunction with the drag ring on nose of the torpedo. Using ring tail and drag ring with wooden stabilizer results in successful test drops. A man secures the stabilizer to ring tail with wooden dowels. The man covers the torpedo with a drag ring which helps to stabilize the torpedo during air travel, and seals the ring. The man adjusts the water trip delay valve which prevents the torpedo from burning up during long travels. Depth setting is done. (World War II period).
New techniques in aerial torpedo attack, United States. A Grumman TBF Avenger aircraft parked at an airfield. Men load torpedo onto the aircraft. The propellers start. A man signals as the aircraft taxis and takes off from the airfield. The aircraft in flight over a sea. The aircraft releases torpedo in water. (World War II period).
New techniques in aerial torpedo attack, United States. A man explains the graphical presentation of the proper speed and altitude combination for torpedo release. An aircraft in flight releases torpedo in water. The torpedo moves in water. The torpedo launching guide. In double entry type graph, the combination of 2 coordinates gives the third coordinate. Dropping speed and dropping altitude data is entered in the chart. It gives the entrance angle. The man explains the concept of point of release to the point of hitting target using the graph. The cross wind effect on torpedo drop is explained. Time column on graph gives time of fall of torpedo. Release of torpedo with proper range is necessary. Radar ranging requires teamwork between the pilot and the radio man. Demerits of long and short range is explained. (World War II period).
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