Free learning resources from arts, cultural and heritage organisations.

From story
Originating in Leeds
Download Image View story
John Blenkinsop's rack and pinion, a large, cog shaped wheel, which fits neatly and securely into the piece below. Add to board
This resource is licensed under Creative Commons BY-NC-SA

Blenkinsop´s rack and pinion

John Blenkinsop's rack and pinion.

Image: © National Railway Museum