Anwesenheitsbuch der Angestellten der Schachtanlage Friedrich Thyssen vom 16.9.1976 bis zu Ende der Schachtanlage am 13.6.1977. Mit einer Widmung vom Betriebsführer Siegfried Vöpel
The textual information presented here is free for non-commercial usage if the source is named. (Creative Commons Lizenz 3.0, by-nc-sa) Please name as source not only the internet representation but also the name of the museum.Rights for the images are shown below the large images (which are accessible by clicking on the smaller images). If nothing different is mentioned there the same regulation as for textual information applies.Any commercial usage of text or image demands communication with the museum.