Support for air draft gauge, Manchester Ship Canal
Introduction
The photograph on this page of Support for air draft gauge, Manchester Ship Canal by Christine Johnstone 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: © Christine Johnstone Taken: 13 Apr 2013
A wire is slung between two towers on opposite banks of the canal. If a ship touches the wire, it is too tall to fit under a nearby bridge.