Record revealed
The first American invention to obtain an English patent
These intricate 1716 drawings were submitted by Sybilla Masters in the final stage of securing a patent for machinery for 'cleaning and curing Indian corn'.
Piece
Performance after power failure of a helicopter with blade pitch control
Catalogue reference: AVIA 21/334
What’s it about?
This record is about the Performance after power failure of a helicopter with blade pitch control dating from 1949 in the series Ministry of Aircraft Production and Ministry of Supply: Airborne Forces Establishment,.... 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 21/334
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Date (When the record was created)
- 1949
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Description (What the record is about)
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Performance after power failure of a helicopter with blade pitch control
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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)
- A.F.E.E/Rota 6
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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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Record URL
- https://beta.nationalarchives.gov.uk/catalogue/id/C2184152/
Series information
AVIA 21
Ministry of Aircraft Production and Ministry of Supply: Airborne Forces Establishment,...
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...
373 records
Within the series: AVIA 21
Ministry of Aircraft Production and Ministry of Supply: Airborne Forces Establishment,...
You are currently looking at the piece: AVIA 21/334
Performance after power failure of a helicopter with blade pitch control
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