OS benchmark - Balsall Common, postbox at road junction
Introduction
The photograph on this page of OS benchmark - Balsall Common, postbox at road junction by Richard Law as part of the Geograph project.
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Image: © Richard Law Taken: 21 Mar 2018
An OS cutmark on the brick pillar containing a George V wallbox. It was originally levelled, almost certainly in 1966, at 123.430m above Ordnance Datum Newlyn.