This process is what gives lithographs their depth and longevity to their colors
Later editions were also published by Dutch company 'Martinus Nijhoff' until 1953
This item was published by Dutch company 'Martinus Nijhoff' presumably circa 1929
The earthworm is "Plate 33" in the series
fixed on split wooden dowels and in excellent condition
Hummer, Lobster, Paul Pfurtscheller Zoological Wall Chart, Crustacean, 1929 This process is what givesABOUT Antique large scale wall chart with an exploded view of the anatomy of the "Astropecten auranciacus," (red comb star starfish). 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