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Sickels, Frederick Ellsworth
| (1819-1895), U.S. mechanical engineer, is credited as one of three people (with Watt and Corliss) responsible for the modern stationary engine. He was first in the United States to patent a successful drop cut-off for steam engines (May 20, 1842), adopted immediately nationwide. His system permitted detachment of the valve from the moving mechanism. He received about 30 patents, mostly for ship-building devices. He was born Sept. 20, 1819, Gloucester County, New Jersey, and died March 8, 1895, Kansas City, Missouri. |
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