Recovery of USAAC Keystone LB-7 bomber aircraft in Bluefields, Nicaragua. Aerial view of the crash site of United States Army Air Corps Keystone LB-7 bomber aircraft in a jungle in Bluefields. U.S. Army Major William A Blackburn and recovery team members search for the debris of the aircraft in the jungle. The men carry the debris and move towards the parked United States Air Force CH-3C Sikorsky helicopter.
Cleaning of Quai d'Orsay Foreign Ministry Palace in Paris, France. View of the Quai d'Orsay (37 Quai d'Orsay, 75007 Paris, France) and its interiors. Army of workmen brighten up the Palace for the visit of King George VI and Queen Elizabeth Bowes-Lyon of the United Kingdom. A man uses feather duster to clean an ornate Baroque clock. Workmen scrubbing a bathtub. The workmen clean chandelier, clocks, and bathtubs.
Gambling ship underway off the coast in Santa Monica,California. A gambling ship underway at sea. The Manager stacks coins for players and prepares for the Casino Roulette game. Passengers play the game. Waltzing mice are used in the new game of gambling.
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 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).
Battle of Tarawa in Pacific during World War II. British Vickers coastal guns, captured by the Japanese in Singapore, silenced by U.S. Navy bombardments. Damaged Japanese tank and Command Post.
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