Lock gate cogs, Montgomery Canal
Introduction
The photograph on this page of Lock gate cogs, Montgomery Canal by Dave Croker as part of the Geograph project.
The Geograph project started in 2005 with the aim of publishing, organising and preserving representative images for every square kilometre of Great Britain, Ireland and the Isle of Man.
There are currently over 7.5m images from over 14,400 individuals and you can help contribute to the project by visiting https://www.geograph.org.uk

Image: © Dave Croker Taken: 15 Apr 2010
This rack and pinion system is operated by a Windlass (a handle that canal boat users have with them). At the moment some parts of the Montgomery Canal are not navigable.