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Series

Government Code and Cypher School: Weekly Reports

Catalogue reference: HW 77

What's it about?

HW 77

Reports made on a weekly basis of the activities of the following Huts at the Government Code and Cypher School at Bletchley Park: Hut 3 - This hut housed the main reporting section, they translated and compiled the intelligence reports. Hut 6 -...

Full description and record details

Reference

HW 77

Title
Government Code and Cypher School: Weekly Reports
Date

1941-1945

Description

Reports made on a weekly basis of the activities of the following Huts at the Government Code and Cypher School at Bletchley Park:

  • Hut 3 - This hut housed the main reporting section, they translated and compiled the intelligence reports.
  • Hut 6 - This Hut was the one housing the Enigma processing machinery for German Army and Air Force messages, which were then passed to Hut 3 for translation and reporting.
  • Hut 8 - This Hut was the naval equivalent of Hut 6, and processed Enigma messages produced by the German Navy, which were passed to Hut 4 for translation and reporting.
  • Block C - Hollerith Machine Tabulating Section under Fredric Freeborn (moved from Hut 7).
  • Naval Section - passed intelligence and traffic analysis to the Admiralty.
  • Cryptographic Co-ordination and Records Section.

Related material

Other weekly reports are in HW 56 (Air Section) and HW 78 (Research Section): HW 56 HW 78

Held by
The National Archives, Kew
Legal status

Public Record(s)

Language

English

Creator(s)
Government Code and Cypher School, 1919-1946
Physical description

20 volume(s)

Access conditions

Open

Immediate source of acquisition

from 2007 Government Communications Headquarters

Subjects
Topics
Intelligence
Navy
Armed Forces (General Administration)
Accruals

No further accruals expected.

Selection and destruction information

Records selected under Acquisition criteria 3.1.2 (External Relations and Defence).

Record URL
https://beta.nationalarchives.gov.uk/catalogue/id/C16517/

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)

You are currently looking at the series: HW 77

Government Code and Cypher School: Weekly Reports

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