Wednesday, January 15, 2020

The "Mathematical Windmill"

 
(Wikipedia) The Aermotor Windmill 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 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 next 30 years Aermotor grew and expanded, introducing accessories and variants on "the mathematical windmill." Continued

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