Catalogue description Maps and plans extracted to rolled storage from records of various departments

Details of MR
Reference: MR
Title: Maps and plans extracted to rolled storage from records of various departments

This is one of 35 artificial accumulations created by the Public Record Office during the twentieth century to cater for maps, plans and drawings extracted from records following transfer to the Office, primarily as a preservation measure, usually if the item when opened exceeded the overall size of the document of which it formed part.

Date: 16th century-1966

Maps, plans and drawings extracted by the Public Record Office (PRO) were originally allocated a two-part location code, consisting of a prefix and serial number. In this case MR denoted material extracted from records of various series to rolled storage, irrespective of length. The location codes came to be treated as document references. In 1998 the decision was taken to change them to standard three-part PRO references. The prefix MR then became a department reference, containing the series MR 1 in which each existing serially-numbered extract is a piece. Three further series, MR 2, MR 3 and MR 4, were created at the same time, to cater for extractions to rolls of varying lengths.

Held by: The National Archives, Kew
Legal status: Public Records unless otherwise stated
Language: English

Public Record Office, 1838-2003

Physical description: 4 series
Access conditions: Subject to 30 year closure unless otherwise stated

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