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Aermotor Company
The Aermotor Windmill Company, or Aermotor Company, is an American manufacturer of wind-powered water pumps. The widespread use of their distinctive wind pumps on ranches throughout the arid plains and deserts of the United States has made their design a quintessential image of the American West. The company also manufactured galvanized steel fire lookout towers including a "7 x 7" model which supported a steel cab at heights from to . Hundreds of this model were in use in the southeastern U.S.; a dozen survived in the Northwestern U.S. in 1984. With . History La Verne Noyes, founder of Aermotor Windmill Company, had hired engineer Thomas O. Perry for a different job but saw the potential of the all-metal windpump developed by Perry after extensive experiments. The first Aermotor was sold in 1888, with 24 windmills in total being sold in the first year. Aermotor soon became a strong competitor among its contemporaries selling over 20,000 of its windmills by 1892. Over the ne ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
City
A city is a human settlement of notable size.Goodall, B. (1987) ''The Penguin Dictionary of Human Geography''. London: Penguin.Kuper, A. and Kuper, J., eds (1996) ''The Social Science Encyclopedia''. 2nd edition. London: Routledge. It can be defined as a permanent and densely settled place with administratively defined boundaries whose members work primarily on non-agricultural tasks. Cities generally have extensive systems for housing, transportation, sanitation, utilities, land use, production of goods, and communication. Their density facilitates interaction between people, government organisations and businesses, sometimes benefiting different parties in the process, such as improving efficiency of goods and service distribution. Historically, city-dwellers have been a small proportion of humanity overall, but following two centuries of unprecedented and rapid urbanization, more than half of the world population now lives in cities, which has had profound consequences for g ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
