Consul' the Educated Monkey

'Consul' the Educated Monkey, 1916.
Consul' the Educated Monkey. A mathematical toy calculator patented by William Robertson in 1916 and made by the Educational Novelty Company of Dayton, Ohio, USA. When each of the monkey's feet are moved to point at two numbers, the monkey's hands move to indicate the product.
 
Currently on display in:
Mathematics
Year made :
1916-1918
Inventory number :
1990-695