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Archives in London and the M25 area


Identity Statement

Reference code(s): GB 0074 ACC/0986
Held at: London Metropolitan Archives
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Date(s): 1964-1967
Level of description: Collection
Extent: 0.07 linear metres
Name of creator(s): British Airports Authority


Administrative/Biographical history:

On 17th November 1967 the British Airports Authority unveiled a plaque at Heathrow Airport to commemorate the start of scientific mapping of Great Britain in 1784, the first baseline of the triangulation of Great Britain being situated close by.


Scope and content/abstract:

Photograph and press release relating to the unveiling of a commemorative plaque at Heathrow Airport.

Access & Use

Language/scripts of material:

System of arrangement:

Two items.

Conditions governing access:

Available for general access.

Conditions governing reproduction:

Copyright to these records rests with the City of London.

Finding aids:

Please see online catalogues at:

Archival Information

Archival history:

Immediate source of acquisition:

Records deposited in November 1967.

Allied Materials

Related material:

See MCC/CL/HA for records of the Middlesex County Council relating to Heathrow Airport.

Publication note:

Description Notes

Archivist's note:

Rules or conventions:
Compiled in compliance with General International Standard Archival Description, ISAD(G), second edition, 2000; National Council on Archives Rules for the Construction of Personal, Place and Corporate Names, 1997.

Date(s) of descriptions:
June to August 2010.

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