Word: duralumin
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Dates: during 1920-1929
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...shortly after noon. Light through the girders and from many searchlights fall on a comparatively diminutive fabric of duralumin lying at one end of the dock. The duralumin section is 50 ft. long, 10 ft. high, and just one arc of the 133-ft. diameter ring which is to be the "keel" of the airship. A rope on standards marks off the round of the ring-to-be. Within the circumference are 400 dignitaries, official guests, each with a 3-in. disk of duraluminum, memento of the "ZRS-4 Ring-Laying...
...Western Air Express Pilot George K. Rice saw, high up in the forests on Mt. Taylor, 11,289-ft. extinct volcano on the Continental Divide, midway between Albuquerque and Gallup, what seemed small patches of snow. He flew low. In the sunlight, midst trees, gleamed pieces of duralumin. In Pilot Rice's words: "Then we saw the left wing of the plane where it had been cut off by striking a tree. The wing was turned upside down and we could read the [license] numbers 9649. The balance of the plane we saw about 100 yards beyond this point...
...Zeppelin, was successfully tried out for the first time. Built experimentally for the Navy by Aircraft Development Co. (subsidiary of Detroit Aircraft Corp.) after designs of Ralph Hazlett Upson, onetime Goodyear Tire & Rubber Co. sausage balloon and blimp designer, the all-metal dirigible has a skin of aleled (duralumin core with surface coating of pure aluminum...
...Perl plan is to build a 22-ft. duralumin fuselage shaped like a dirigible, hermetically sealed. Inside would be a compressor which would supply air at sea level pressure and warm it for the pilot and the motor (which would be within the fuselage). Outside would be the propeller, wings resembling those of a flying fish, and tail fins. Landing wheels would be retracted into the body...
...sized house has not yet been constructed, the inventor claims that it is flood-proof, earth-quake-proof, wind-proof, tornado-proof, heat-proof, cold-proof, and economical and that an airplane could run into it without damaging it. In addition, the partitions and struts are made of hollow duralumin which is pumped full of air to increase the tensile strength of the structure and to enable the children of the house to fall down without being hurt by the springy flooring...