The Museum of Maurice Dufresne (in French: Musée Maurice-Dufresne) is a technological history museum located in the mill at Marnay, near the Château of Azay-le-Rideau, France. It has acquired numerous important objects displayed in vast buildings containing some 25 rooms. The museum pieces are presented thematically: agricultural machines, silk and textile industries, musketry, hydraulic power, etc. His museum today presents more than 3,000 machines in warehouses covering 10,000 m². It has already attracted 600,000 visitors and 23 guestbooks are filled with comments from around the world.