In the coal mixer of the colliery Prosper-Haniel (Ruhrkohle AG) the mined coal is mixed in order to provide a consistent quality of coal for further uses....

The conveyor belt, which is driven by an electric motor, is located at the exit of the inclined conveyance heading of the Prosper-Haniel colliery. It...

The hoist, which was built cooperatively by the Gutenhoffnungshütte (GHH) and the company AEG (construction by GHH, Elektrik: AEG) in the 1980s, is in...

The mine telephone made by the company Funke & Huster GmbH has been installed in the shaft-hall of the LWL-Industrial Museum Zollern Colliery since 1990....