Medical Definition of attitude. 1  1: the arrangement of the parts of the body : posture. 2  2a: a mental position with regard to a fact or stateb: a feeling or emotion toward a fact or state. 3  3: an organismic state of readiness to respond in a characteristic way to a stimulus (as an object, concept, or situation)
Spinning mills were introduced to the United States in 1790 by English-born mechinist and businessman Samuel Slater (1768â1835). The twenty-one year old had worked as a textile laborer for more than six years in an English mill, where he learned about the workings of a cotton-spinning machine invented (1783) by Richard Arkwright (1732â92).
The first all-steel windmill and tower was produced by the United States Wind Engine & Pump Co. The first electricity-generating wind turbine was invented in 1888 in Cleveland, Ohio by Charles F. Brush. The turbineâs diameter was 17 meters (50 feet), it had 144 rotor blades made of cedar wood, and it generated about 12 kilowatts (kW) of power.