Record revealed
Copy of Henry VIII's diplomatic assurances to João III of Portugal
Recently rediscovered, this letter offers new archival evidence into Britain and Portugal's shared history.
Piece
RADAR: Research and Development (Code 41/2): Cathode ray tube development
Catalogue reference: AVIA 15/509
What’s it about?
This record is about the RADAR: Research and Development (Code 41/2): Cathode ray tube development dating from 1941 in the series Ministry of Aircraft Production and predecessor and successors: Registered Files. 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 15/509
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Date (When the record was created)
- 1941
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Description (What the record is about)
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RADAR: Research and Development (Code 41/2): Cathode ray tube development
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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)
- SB 7113 Part II
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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
- Air transport
- Research
- Communications
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Record URL
- https://beta.nationalarchives.gov.uk/catalogue/id/C2487520/
Series information
AVIA 15
Ministry of Aircraft Production and predecessor and successors: Registered Files
See the series level description for more information about this record.
Catalogue hierarchy
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You are currently looking at the piece: AVIA 15/509
RADAR: Research and Development (Code 41/2): Cathode ray tube development
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