Spider, Black Mountain North Triangulation Pillar
Introduction
The photograph on this page of Spider, Black Mountain North Triangulation Pillar by Rossographer 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: © Rossographer Taken: 2 Jan 2012
Detail of the 'spider' on Black Mountain North Triangulation Pillar Image Considerable damage to the concrete and the screw cap is not marked (most other OSNI examples have either "TRIANGULATION STATION ORDNANCE SURVEY" or "OSNI TRIANGULATION STATION").