Seeigel, Sea Urchin by Paul Pfurtscheller, 1907 This process is what gives

This process is what gives lithographs their extraordinary depth and unusual longevity to their colors

some tanning at the bottom but overall very good condition considering its age and use

This educational wall chart from the Schönbrunn series is a photolithography produced by the K

The starfish is "Plate 11" in the series

Seeigel, Sea Urchin by Paul Pfurtscheller, 1907 This process is what givesABOUT Antique large scale wall chart of the anatomy of the "Sphaerechinus" (Echinodermata, Echinoidea). Lithograph on two sheets of paper, mounted on canvas. Author and illustrator was Prof. Dr. Paul Pfurtscheller. Pfurtscheller (1855 1927) produced a series of 39 "Zoologische Wandtafeln" (zoological wall plates) to be used for higher educational purposes. Although he was a modest high school teacher by training he gained recognition by the scientific