Series
Board of Longitude: Papers
Catalogue reference: RGO 14
Date: 1605-1830
Records of the Board of Longitude.These include papers about the discovery of methods of measuring longitude at sea, notably the work of John...
Piece
C.H.L. equipment: P.P.I.
Catalogue reference: AVIA 7/697
What’s it about?
This record is about the C.H.L. equipment: P.P.I. dating from 1940-1945 in the series Ministry of Aviation, predecessors and successors: Royal Radar Establishment and.... It is held at The National Archives, Kew.
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Full description and record details
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Reference (The unique identifier to the record described, used to order and refer to it)
- AVIA 7/697
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Date (When the record was created)
- 1940-1945
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Description (What the record is about)
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C.H.L. equipment: P.P.I.
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Held by (Who holds the record)
- The National Archives, Kew
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Former department reference (Former identifier given by the originating creator)
- BRS 4/65/10
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Legal status (A note as to whether the record being described is a Public Record or not)
- Public Record(s)
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Closure status (Whether the record is ‘open’ (available to the public) or ‘closed’ (not available due to a legal exemption))
- Open Document, Open Description
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Subjects (Categories and themes found in our collection (our subject list is under development, and some records may have no subjects or fewer than expected))
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- Topics
- Research
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Record URL
- https://beta.nationalarchives.gov.uk/catalogue/id/C970304/
Series information
AVIA 7
Ministry of Aviation, predecessors and successors: Royal Radar Establishment and...
See the series level description for more information about this record.
Catalogue hierarchy
Over 27 million records
This record is held at The National Archives, Kew
96,520 records
Within the department: AVIA
Records created or inherited by the Ministry of Aviation and successors, the Air...
3,819 records
Within the series: AVIA 7
Ministry of Aviation, predecessors and successors: Royal Radar Establishment and...
You are currently looking at the piece: AVIA 7/697
C.H.L. equipment: P.P.I.
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