By contrast the term Rösche was also used to describe the channels or "leats" through which the driving water for mining equipment was led into the pit (Aufschlagrösche or driving water leats) or out of the pit (Abfallrösche or drainage leats).E. Treptow, F. Wüst, W. Borchers: Bergbau und Hüttenwesen. Verlag und Druck Otto Spamer, Leipzig 1900 Unlike a gallery, a leat will have a gentle incline into the pit.
