This antique school wall chart belongs to the series "The history of life on earth". It was compiled in 1950 by the Viennese paleontologist Univ. -Prof. Dr. Erich Thenius and contains the history of life on earth in the Palaeozoic, Triassic, Jurassic, Cretaceous, Tertiary and Quaternary periods. Printed after signed originals of the academic painter Prof. Fritz Zerritsch. It got printed by the Hofmandruck in Vienna. Despite their age, the condition of the prints is as good as new, the drawings and illustrations are highly professional, the colors are beautiful and well preserved!