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

which rotates the propeller and once hung makes the ship fly in a circle

month and year patent date and several countries such as Japan

Accompanied by its own hand-burnished

The tallest ladder and the farthest to the right have sold

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