Exhibition room The first, second and third floor have been turned into exhibition rooms. On the first floor you’ll find the exhibition ‘The mill, the symbol of Holland’. It contains display cabinets featuring tools, books and equipment associated with milling. A movie about mills in Holland can also be seen here. On the second floor the exhibit continues with subjects such as the Leiden millers' guild, the mills of Leiden and the history of De Valk. The third floor tells you the entire history of grain grinding and a number of splendid models of different types of mills, such as a tower mill, a sawmill and various types of polder draining mills can be admired here.