19th c. German Scientific School Wall Chart of Protozoa c.1877-1892 Animal & Figurative Spring loaded mechanism holds paper

Spring loaded mechanism holds paper in place

The results were characterized by delicate gradations

The eyepiece was adjustable to the user's eyesight and included a removable rubber eyecup

The tallest ladder and the farthest to the right have sold

Interior: H 68

19th c. German Scientific School Wall Chart of Protozoa c.1877-1892 Animal & Figurative Spring loaded mechanism holds paperABOUT Rare antique wall chart from a series produced by celebrated German zoologists Rudolf Leuckart (the "father of parisitology".) Manufactured between 1877 and 1892 and used worldwide as teaching aids at universities and schools. Linen backed lithograph with fabric border and fixed to painted wooden dowels. CREATOR Rudolf Leuckart. They were published by Th. G. Fischer & Co and printed by Hermann Richter & Co in Leipzig. DATE OF MANUFACTURE c. 1877