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The Atwood machine (or Atwood's machine) was invented in 1784 by the English mathematician George Atwood as a laboratory experiment to verify the mechanical laws of motion with constant acceleration. Atwood's machine is a common classroom demonstration used to illustrate principles of classical mechanics .
A thermostat exerts control by switching heating or cooling devices on or off, or by regulating the flow of a heat transfer fluid as needed, to maintain the correct temperature. A thermostat can often be the main control unit for a heating or cooling system, in applications ranging from ambient air control to automotive coolant control.
This regulation is now carried out by an internal thermostat. Conveniently, both the sensing element of the thermostat and its control valve may be placed at the same location, allowing the use of a simple self-contained non-powered thermostat as the primary device for the precise control of engine temperature. [2]
Seth Glanville Atwood (June 2, 1917 – February 21, 2010) was an American industrialist, community leader, and horological collector. [1] [2] He was the chairman and president of Atwood Vacuum Machine Company, one of the world's largest manufacturers of automobile body hardware, and a long-time leader of the Atwood family's business which involved in manufacturing, banking and hotel ...
The Atwoods Ranch and Home Goods story started over 60 years ago with founders Fern and Wilbur Atwood. They had a simple American dream and were willing to see it through. It began with a trip from Minnesota nearly 1,000 miles south to start a new business based on sincere practices with a neighborly smile.