'Consul' the Educated Monkey, 1916.

Image number: 10327815

'Consul' the Educated Monkey, 1916.

A mathematical toy calculator patented by William Robertson and made by the Educational Novelty Company of Dayton, Ohio, USA. This is an early example of a mathematical toy. When each of the monkey's feet are moved to point at two numbers, the monkey's hands move to indicate the product.

Image number:
10327815
Credit:
Science Museum/Science & Society Picture Library
Date taken:
30 October 2003 09:16
Image rights:
Science Museum