Word: alloys
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...improvements in the paper airscrew invented by Leonardo da Vinci some 450 years before to pull toy helicopters to the ceiling of his study. One was the Wright Brothers' development of a two-bladed '"prop" of laminated wood, the other the shift in the 19205 to aluminum alloy blades whose pitch could be adjusted on the ground to suit various operating conditions. In 1933 the Hamilton Standard Propellers division of United Aircraft Corp. won the Collier Trophy by producing the first controllable pitch propeller, ''the gearshift of the air." This allowed a pilot to change propeller...
...Sizzling platters" are made of an aluminum alloy. The hotter they are kept before being used the longer and more madly they will sizzle on contact with melted butter...
...Like Sears and Ward in that it sells more products than any one person can name is big Union Carbide & Carbon Corp. (gases & organic chemicals, metals & alloys, batteries). Like Sears and Ward, Carbide made more money in 1936 than in any other of its 19 years of corporate existence. Net profits were $36,852,000, a 35% increase over 1935. Noting that prosperity was in Carbide's every pore, President Jesse Jay Ricks last week wrote to 55,705 stockholders: "The quantity of oxygen sold in 1936 exceeded that of any previous year. . . . More motorists bought 'Eveready Prestone...
...tons, barely a two-week's supply at the present rate of consumption (more than 50,000 tons per month). Nearly one-half of all U. S. zinc is used to galvanize iron and steel and another one-fourth goes into brass, which is a copper-zinc alloy. Storage batteries account for nearly one-third of all lead, with paint a poor second. In good times building takes 10%, cable coverings 20% of U. S. lead.- And all these big lead and zinc customers are either booming or slated to boom...
...should never go into the mines. He never did. After high school he taught until he had some money saved, then went off to study engineering at the College of Wooster and Ohio Northern University. Up, up, up the industrial ladder he climbed-vice president & general manager of United Alloy Co. at 36, president of Central Alloy Steel Corp. soon thereafter, executive vice president of Republic Steel at 40. Finally, at 45, the boy from Pigeon Run became president of Carnegie-Illinois Steel Corp., biggest steel-producing unit in the world, biggest subsidiary of colossal U. S. Steel Corp...