Focus on
Olga Gray and the Woolwich Arsenal Spy Ring
Piece
Catalogue reference: HW 25/22
This record is about the A paper on the use of Hollerith equipment in Bletchley Park by Ronald WHELAN MBE,... dating from 1940 May 01-1945 May 31 in the series Government Code and Cypher School: Cryptographic Studies. It is held at The National Archives, Kew.
No, this record is not available online. However, you can order a copy. Other ways to view it.
Yes, this record is held at The National Archives and is available to see in person. How to view it.
HW 25/22
1940 May 01-1945 May 31
A paper on the use of Hollerith equipment in Bletchley Park by Ronald WHELAN MBE, written some 50 years after the end of the war
Public Record(s)
Retained Until 2002
Open Document, Open Description
HW 25
See the series level description for more information about this record.
Records created or inherited by Government Communications Headquarters (GCHQ)
Government Code and Cypher School: Cryptographic Studies
A paper on the use of Hollerith equipment in Bletchley Park by Ronald WHELAN MBE,...
Focus on
Focus on
The story of
Records that share similar topics with this record.