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Ascutney Mill Dam

Buildings and structures in Windsor, VermontDams completed in 1834Dams completed in the 18th centuryDams in VermontFederal architecture in Vermont
Historic Civil Engineering LandmarksHistoric districts on the National Register of Historic Places in VermontInfrastructure completed in 1783NRHP infobox with nocatNational Register of Historic Places in Windsor County, VermontUse mdy dates from August 2023
Ascutney Mill
Ascutney Mill

Ascutney Mill Dam, also known as the Windsor Upper Dam and the Mill Pond Dam, is an arch-gravity dam which is one of the oldest and among the earliest storage dams in the United States. It is made of cut granite and is located in Windsor, Vermont in Windsor County near the Connecticut River, where it functioned as a source of hydropower and, later, hydroelectric power. It is on the ASCE list of historic civil engineering landmarks since 1970 and is listed on the National Register of Historic Places (as Ascutney Mill Dam Historic District) since January 09, 2007.The dam is built in the valley of the Mill Brook, a right tributary of the Connecticut River. The pond above the dam is known as the Mill Pond. The Ascutney Mill Dam Company was formed to build the dam. Construction began in June 1834, and was finished in November. The purpose of the dam was to regulate seasonal water flow and provide hydropower for nearby sawmills and gristmills, which previously could not operate during periods of low water flow in Mill Brook. The dam allowed water to be stored in the impound during the winter for release during lower flow seasons.Ithamar A. Beard was a New England engineer who surveyed the area and selected the site for the dam. Simeon Cobb and Joseph Mason were the contractors in charge of building the dam.

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Ascutney Mill Dam
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N 43.476666666667 ° E -72.396111111111 °
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05089
Vermont, United States
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Ascutney Mill
Ascutney Mill
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American Precision Museum
American Precision Museum

The American Precision Museum is located in the renovated 1846 Robbins & Lawrence factory on South Main Street in Windsor, Vermont. The building is said to be the first U.S. factory at which precision interchangeable parts were made, giving birth to the precision machine tool industry. In recognition of this history, the building was declared a National Historic Landmark in 1966. In 1987, the building was recognized by the American Society of Mechanical Engineers as an International Heritage Site, and the collection was recognized as an International Heritage Collection. For each of these designations, the armory was considered a site where pivotal events occurred in the history of American industry, as well as a place that lends itself to comprehensive interpretation of that history. A "machine tool" is a machine which makes parts to other machines, such as screws or gun stocks. Lathes, milling machines, and drill presses are examples of precision machine tools. The museum has the largest collection of historically significant machine tools in the United States. The museum's holdings include a collection of industrial machinery spanning the first one hundred years of precision manufacturing, along with fine examples of early machined products including rifles, sewing machines, and typewriters. Photographs and archival records provide additional resources for interpreting this critical phase of the Industrial Revolution. The museum is open daily from 10am until 5pm from May 1 through October.