Museum De Cruquius

The pumping station Cruquius (Dutch Gemaal Cruquius ) from 1849 is one of three historic steam pumping stations with which the Haarlemmermeer polder was drained in the Dutch province of North Holland. The pumping station and the village in which it stands, were named after Nicolaus Samuel Cruquius, a famous Dutch hydraulic engineering trainer. It was until 1933 operated from 1934 it became a museum. The pumping station was declared a Rijksmonument.

The other two pumping stations and De De Lijnde Leeghwater were modernized.

Museum

The 1933, the museum shows in detail the centuries-long struggle against the water. In the exhibition, various models of windmills, which were pumped water as shown. In addition, many machines and equipment with respect to the hydraulic engineering, a large landscape diorama and drawings.

The steam-driven pump is still in its original and they can also be put into operation. However, it is hydraulically driven since 2002. In the round power house stands in the middle of the giant steam cylinder, 3.66 meters in diameter, the largest that has ever been built. It drives eight lever arms, each 10 tons of weight, ranging through the windows to the outside. It is mounted in the annular channel eight pumps, each of which supports a hub 8000 liters of water. With an output of five strokes per minute 320 cubic meters of water per minute were pumped out of the Haarlemmermeer.

The pumping station Cruquius is part of the European Route of Industrial Heritage.