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The use of windmills became widespread across the Middle East and Central Asia, and later spread to China and India. [22] Vertical windmills were later used extensively in Northwestern Europe to grind flour beginning in the 1180s, and many examples still exist. [23] By 500 AD, windmills were used to pump seawater for salt-making in China and ...
The windmills at Kinderdijk in the village of Kinderdijk, Netherlands is a UNESCO World Heritage Site. A windmill is a structure that converts wind power into rotational energy using vanes called sails or blades, by tradition specifically to mill grain (), but in some parts of the English-speaking world, the term has also been extended to encompass windpumps, wind turbines, and other applications.
Dempsters was a privately held American company that over time produced submersible pumps, windmills and wind energy systems, water systems, recycling trailers, fertilizer equipment, and accessories. Originally named the Dempster Company and then the Dempster Wind Mill Company, it was incorporated under the laws of Nebraska in 1886 as Dempster ...
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The De Meyer Windmill was located north of "Katie Mut" and was granted on September 29, 1677, to Nicholas De Mayer, who had been elected mayor of New York the previous year. The land for the windmill was near the Collect or Fresh Water Pond, in an area that is now bounded by Baxter, White, Elm, Duane, and Park Streets and called Foley Square ...
In the 18th century (1737 as per a plaque at the main entrance), at Betty's Hope, twin windmills were used to crush sugar cane. Initially, the windmills had three vertical rollers to crush the cane fed by two men and it could crush and extract only 60% of cane juice even after two rounds of crushing.
The Kinderdijk windmills were already a tourist destination by then. The first museum mill (now museum mill Nederwaard) opened during the 1950s. Today the windmills are still kept in working order, but they are no longer used for water management.
The Eclipse windmill was one of the more successful designs of windmill used to pump water in the nineteenth century United States. It was invented by Leonard Wheeler, a Presbyterian minister who was working among the Ojibwe on the south shore of Lake Superior.