Timeline

Heritage classified

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Origin and history

The Tertre Mill is a tower windmill, built in granite, located in the municipality of Mont-Dol, Ille-et-Vilaine (Bretagne). It was built in 1843 and is distinguished by its chestnut slate cover. This flour mill, equipped with ties, retains its original mechanisms, including two wheels, a blutery, a tarara and a cabestan. It was associated with a steam engine at the end of the 19th century, replaced around 1929 by an auxiliary engine Nacivet Duillon.

The mill ceased operations in 1954 but remains in working order, making it a rare example in the department. It has been listed as historical monuments since 7 July 1977. Managed by the Association The Courtesy, it is open to visits. The site of Mount Dol, on which it is implanted, is also classified for its natural interest.

This mill illustrates the technological evolution of windmills in the 19th century, with the progressive introduction of auxiliary motors to compensate for wind hazards. Its architecture and intact facilities make it a valuable testimony to the Breton industrial heritage.

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