The plan was originally prepared in September 1922 by Royal Engineers and published by the Ordnance Survey in 1923. It shows the part of the castle to the north of the church, including the defences, batteries, buildings and land use. The rooms of each building are labelled with their use and the buildings, roads and defences are named. There is a key to the utilities and other measurements (such as room heights). It is signed by the preparer and by a Colonel of the Royal Engineers. The alternative identifiers have all been partially or wholly removed as part of the general damage.
© Crown copyright
People & Organisations
Creator of Archive: Royal Engineers
Publisher: Ordnance Survey
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