Record revealed
A dramatic plea for Churchill’s help from Bletchley Park
In 1941, four Government Code and Cypher School cryptanalysts, including Alan Turing, made a stunning appeal directly to Winston Churchill.
Piece
Ion exchange processes : Permutit Co.Ltd.
Catalogue reference: AB 16/1001
What’s it about?
This record is about the Ion exchange processes : Permutit Co.Ltd. dating from 1952-1955 in the series Ministry of Supply and United Kingdom Atomic Energy Authority, Atomic Energy Division.... It is held at The National Archives, Kew.
Is it available online?
No, this record is not available online. However, you can order a copy. Other ways to view it.
Can I see it in person?
Yes, this record is held at The National Archives and is available to see in person. How to view it.
Full description and record details
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Reference (The unique identifier to the record described, used to order and refer to it)
- AB 16/1001
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Date (When the record was created)
- 1952-1955
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Description (What the record is about)
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Ion exchange processes : Permutit Co.Ltd.
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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)
- MET 1292 Part I
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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
- Nuclear energy
- Resources
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Record URL
- https://beta.nationalarchives.gov.uk/catalogue/id/C2346398/
How to order it
- View this record page in our current catalogue
- Check viewing and downloading options
- Select an option and follow instructions
Series information
AB 16
Ministry of Supply and United Kingdom Atomic Energy Authority, Atomic Energy Division...
See the series level description for more information about this record.
Catalogue hierarchy
Over 27 million records
78,191 records
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You are currently looking at the piece: AB 16/1001
Ion exchange processes : Permutit Co.Ltd.
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