Gessner, RichardCollection of 7 lithographs. 20th century. Each (color) lithograph on wove paper or machine-made laid paper. Dimensions from 36.5 x 52.5 cm (46 x 62 cm) to 45 x 58.5 xm (52.5 x 67 cm). Each signed, numbered and partly localized "Düsseldorf", mostly inscribed in pencil by an unknown hand. 1 work mounted in dots under passepartout. Geology - Mining a. Metallurgy Gessner, Richard Collection of 7 lithographs. 20th century. Each (color) lithograph on wove paper or machine-made paper. Dimensions from 36.5 x 52.5 cm (46 x 62 cm) to 45 x 58.5 xm (52.5 x 67 cm). Each signed, numbered and partly localized "Düsseldorf", mostly inscribed in pencil by an unknown hand. 1 work mounted in dots under passepartout. Numbered copies, one each of 50, 60 or 100 copies. - Shown are various. Depicted are various smelting works such as Krupp Mannesmann, the Shamrock colliery in Herne, a blast furnace and a view of the Thyssen smelting works (Bruckhausen?). - 2 pp. with scattered pale brown spots in margins, some small tears in white margins and some creases. Overall very well preserved, chalky original lithographs. Geology - Mining and metallurgy - Collection of 7 orig. lithographs. Each on wove or laid paper. Each signed, numbered a. partly localized, mostly inscribed by another hand in pencil. 1 work mounted in dots under mat. - Numbered, one each of 50, 60 or 100 copies. - Depicted are various iron works such as Krupp Mannesmann, the Shamrock colliery in Herne, a blast furnace and a view of the Thyssen iron and steel works (Bruckhausen?). - 2 pp. with few pale brown spots in margins, some small tears in white margins and some creases. Overall very well preserved, chalky original lithographs.