Word: layered
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Dates: during 1940-1949
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...battleship, one target training ship, one mine layer and three destroyers...
...Army agrees with the experts that clothing must be lighter, many-layered, insulated by air spaces. The outer layer should be windproof, water-repellent, but not airtight; all outer garments should be designed to permit the escape of body moisture. The Army's tendency is to avoid furs: certain cloths are just as warm, about one-third the price. Instead of a fur parka, the Army prefers one made of tightly woven cotton lined with alpaca, trimmed with wolverine or wolf fur. On such fur, the Army believes, the breath will not freeze. Coyote fur, hitherto regarded by Southwestern...
...these compounds have one thing in common. One end of each long molecule is hydrophobic or water-hating, the other is hydrophilic or water-loving. Thus in a mixture of water and organic material such as oils, one end of the detergent molecule dissolves in the water layer, the other in the oil, breaking down the inter-surface tension or antipathy of the two substances...
...This improvement is made possible by a process in which the couplers-chemical agents which bring together the film's red, blue- and green-sensitive emulsions in the proper blends when the film is developed-are contained in the emulsion layers and not merely in the protective gelatin layer itself...
...Corronizing," a new metal-plating process, can cut by 50 to 90% the amounts of zinc and tin now used to galvanize and tin-plate iron and steel. With ordinary electroplating equipment, a thin film of nickel is first deposited on the metal, then a layer of zinc or tin much thinner than usual is added. Baking then fuses the two coats into an alloy whose exceptional resistance to rust and corrosion has already been demonstrated on wire screens, and on Sears, Roebuck's insecticide spray tanks. Even though small amounts of nickel are required, the net result...