Keywords: Albwasserversorgung pumpwerk eybtal.jpg Swabian Alb drinking water supply plan of a pumping station Eybtal using a turbine precursor Schwäbische Alb Albwasserversorgung Plan des Pumpwerks Eybtal mit Tangential-Rad Scanned by Density ca 1880 Karl Ehmann Water pumping stations Pumphouses in Baden-Württemberg PD-old |