Built on Windmill Hill in the center of Conanicut Island, the Jamestown Windmill dates back to 1787. Utilizing the steady winds off Rhode Island's Narragansett Bay, the mill continued its operations for over a century. Built with hand-hewn chestnut timbers and covered in cedar shakes, the mill was set up to grind corn into meal for both people and livestock. The three-story structure was topped off by a rotating cap or bonnet.
   Use of the sails to power the windmill are more complicated than one may think. The sails, also known as sweeps, need to be adjusted depending on the wind speed. Brakes are also employed to regulate the speed. Many new windmill designs over the years tried to cope with ever changing winds.
   When the Jamestown Windmill was no longer able to compete with the rolling mills, the mill closed and fell into disrepair. The Jamestown Historical Society raised money to buy the mill in 1912, and set out to repair the damage. Still able to operate today, visitors may climb to the bonnet and see the gears that power the mill stones.
   The windmill is usually open from 1 pm to 4 pm during Friday, Saturday and Sunday from mid June to mid October, weather permitting. On Windmill Day, an event held most odd numbered years, visitors may be able to watch when the cloths are raised on the sails and the bonnet is turned to face the wind, and the millstones begin to turn.

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