Literature: "Typologien : industrieller Bauten", Schirmer/Mosel, 2003, P.5,20,35,38,49,59

Condition: Each work has light creasing, soiling, staining along the margins and stains on the mat. 1. In good condition except minor dot-shaped dirt marks on the upper left side. 2-3.6. Generally in good condition except a few dent marks throughout the surface. 4. In good condition except light creasing on the margins. 5. In good condition except light soiling on the lower left. 7. In good condition except light soiling on the upper left and upper right side. 8. Generally in good condition except dent marks throughout the surface and pale dot-shaped dirt marks in the center left side. 9. Has dent marks throughout the surface and creasing with scuff marks on the lower right side. Original case: Has dents on the surface, light soiling and dullness due to its age. The description card has stains and staining in places.