Exterior of hangar constructed for LZ-127 Graf Zeppelin in Friedrichshafen, Germany. Interior of hangar.
A Do-X flying boat in water in Friedrichshafen, Germany. Men on the plane. They board the plane and take their seats. The plane takes off. Flight of the plane. High altitude view of the city. Passengers look outside the plane.
The construction of USS Los Angeles rigid airship by Zeppelin company in Friedrichshafen, Germany. The ship was made at the request of U.S. Navy Department. The chief component being used is duraluminum. Animation depicts the methods of duraluminum stampings and assembly of girders. The workers work at a workshop. Construction and erection of a frame ring. Animated model shows construction of nose and tail. Men carry assembled tail section frame and attach it to the rest of the skeleton.
The construction of USS Los Angeles (ZR-3), LZ-126, rigid airship by Zeppelin company in Friedrichshafen, Germany. The finished skeleton of the airship shows bottom of frame gondolas and oil tanks. Men work on the ship. Men mount engine on a gondola. They attach fabric to framework. Men on ladders work on bow and tail. A man manipulates the elevator controls. Interior of ZR-3 before installing gas balloonettes. Interior of a catwalk. Main passageway of the gondola. Navigating bridge and controls. Radio instruments in communication center.
Successful test of the first German Post office mail rocket at Dummersee, Germany, on April 15,1931. It carries 180 pieces of mail (postcards). Reinhold Tiling is seen with his mechanic, Friedrich Kuhr, who holds the rocket, as Tiling inserts a cylinder containing compressed powder fuel. They then invert the rocket and Tiling affixes its nose cone. A post office official hands pieces of mail to Tiling, who places them into the rocket. They position the rocket on its launch stand and fire it. Uniformed Postal officials (and some military officers) watch the rocket as it rises smoothly after launch. Larger, better, and lighter metal (aluminum) are developed in 1931-32. Friedrich Kuhr standing next to a huge rocket with a wing span of 4 meters.
April, 1931 in Germany. View of a closed sled resembling a small airplane fuselage, fitted with runners underneath and bundles of rockets on each side. It sits on a frozen lake. BR-1 is painted on its side. A man arrives and climbs into the cockpit. The rockets ignite and accelerate the plane somewhat erratically, as it moves along the lake surface.
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