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PDH 1 - Code and Cypher Returns from CCR [Cryptographic Coordination and Records...

Catalogue reference: HW 53/46

What’s it about?

This record is about the PDH 1 - Code and Cypher Returns from CCR [Cryptographic Coordination and Records... dating from 1942 Dec 28 - 1944 Jul 05 in the series Government Code and Cypher School: Diplomatic Section and Commercial Section: Records. It is held at The National Archives, Kew.

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Full description and record details

Reference

HW 53/46

Date

1942 Dec 28 - 1944 Jul 05

Description

PDH 1 - Code and Cypher Returns from CCR [Cryptographic Coordination and Records Section at Bletchley Park headed by Professor Vincent]. Details of diplomatic cypher systems

Held by
The National Archives, Kew
Former department reference

Q-1037 K

Legal status

Public Record(s)

Access conditions

Retained Until 2004

Closure status

Open Document, Open Description

Subjects
Topics
Trade and commerce
Intelligence
Record URL
https://beta.nationalarchives.gov.uk/catalogue/id/C11203143/

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Series information

HW 53

Government Code and Cypher School: Diplomatic Section and Commercial Section: Records

See the series level description for more information about this record.

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Catalogue hierarchy

Over 27 million records

This record is held at The National Archives, Kew

17,110 records

Within the department: HW

Records created or inherited by Government Communications Headquarters (GCHQ)

58 records

Within the series: HW 53

Government Code and Cypher School: Diplomatic Section and Commercial Section: Records

You are currently looking at the piece: HW 53/46

PDH 1 - Code and Cypher Returns from CCR [Cryptographic Coordination and Records...

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