A collection by the Ecomuseum from the units that were established along the Canal, this collection is composed of roof tiles, bricks, polychrome façade decorations, tiles, statues, stoneware flasks, ceramic glazed potteries as well as tools, small machines, and also wooden, plaster and cast-iron molds. Also part of the collection : archives covering the period 1863 to 1967, catalogues, samples of materials, models directory, plans, engineering drawings and photos.