'Consul' the Educated Monkey, 1916.
Image number: 10327815
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:
- Science Museum/Science & Society Picture Library
- Date taken:
- 30 October 2003 09:16
- Image rights:
- Science Museum