Record revealed
Japanese Instrument of Surrender, 1945
After six years of brutal global conflict, this document marked the end of the Second World War.
Piece
Bridge method of measuring ratio of transformation
Catalogue reference: AVIA 23/104
What’s it about?
This record is about the Bridge method of measuring ratio of transformation dating from 1921 in the series War Office and successors: Signals Experimental Establishment, later Signals Research.... 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 23/104
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Date (When the record was created)
- 1921
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Description (What the record is about)
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Bridge method of measuring ratio of transformation
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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)
- SEE Report: 110
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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/C2379854/
Series information
AVIA 23
War Office and successors: Signals Experimental Establishment, later Signals Research...
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...
1,161 records
Within the series: AVIA 23
War Office and successors: Signals Experimental Establishment, later Signals Research...
You are currently looking at the piece: AVIA 23/104
Bridge method of measuring ratio of transformation
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