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The common sail is the simplest form of sail. In medieval mills, the sailcloth was wound in and out of a ladder-type arrangement of sails. Medieval sails could be constructed with or without outer sailbars. Post-medieval mill sails have a lattice framework over which the sailcloth is spread. There are various "reefs" for the different spread of ...
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.
The term "portolan chart" was coined in the 1890s because at the time it was assumed that these maps were related to portolani, medieval or early modern books of sailing directions. [2] Other names that have been proposed include rhumb line charts, compass charts or loxodromic charts [ 3 ] whereas modern French scholars prefer to call them ...
Windshaft – A particularly important part of the sail frame, the windshaft is the cylindrical piece that translates the movement of the sail into the machinery within the windmill. Cap – The top of the tower that holds the sail and stock, this piece is able to rotate on top of the tower.
In the Hebrew Bible, there is frequent reference to four cardinal directions. [5] The names of the directions seem to be associated with physical landmarks for the ancient Israelites living in the region of Judea, e.g. East is referred to as kedem, which may derive from "edom" ("red"), and may be a reference to the color of the rising dawn, or the red sandstone cliffs of the Land of Edom to ...
The windmills stand atop the South Downs with views of the Sussex Weald.They are seven miles north of the city of Brighton and Hove.As well as Jack and Jill, the roundhouse of Duncton Mill survives, located a short distance east of Jack.
While we've already taken a look at the new Crafting Workshop in FarmVille 2, which gives you another use for your many raw materials like wool and crops, we've yet to take a look at the actual ...
The body of the windmill can be turned around the central post to bring the sails into the wind. All post mills have an arm projecting from them on the side opposite the sails and reaching down to near ground level. With some, as at Saxtead Green, the arm carries a fantail to turn the mill automatically. With the others the arm serves to rotate ...