Weber was a professor at the Royal Friedrich Wilhelms University of Bonn in the early 19th century
Lithography of course is an enormously demanding technique - especially at this large scale - which required up to 20 manual print-cycles for a single piece
(today: European grass snake or ringed snake
in Düsseldorf
3 cm Large width: 110 cm | height: 80 cm | depth: 0
Sponge, Schwamm, Paul Pfurtscheller Zoological Wall Chart, , 1904 Weber was a professor atABOUT Antique large scale wall chart with an exploded view of the anatomy of the "spongie". Lithograph on two sheets of paper, mounted on canvas. Vibrant colors, some creasing, discoloration, cropped at the top, cracks at the center top and bottom, but overall good condition considering its age and use. Author and illustrator was Prof. Dr. Paul Pfurtscheller. Pfurtscheller (1855 1927) produced a series of 39 "Zoologische Wandtafeln" (zoological wall