Ordnance Survey bolt on Samuel Johnson Memorial Hospital
Introduction
The photograph on this page of Ordnance Survey bolt on Samuel Johnson Memorial Hospital by Shantavira 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.
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Image: © Shantavira Taken: 3 May 2013
Ordnance Survey bolt on north-east side of south entrance to Samuel Johnson Memorial Hospital. This 19th-century bench mark was established in 1851 during the First primary levelling of England & Wales, and was levelled with a height of 3311.3630 feet [94.9034 metres] above mean sea level (Liverpool datum). It was included on the Sheffield to Birmingham levelling line. The surveyor's description was "No. 216. Bolt in South side of principal entrance to Lichfield Workhouse ; 1.15 ft. above surface." (p.361)
