Catalogue description A paper on the use of Hollerith equipment in Bletchley Park by Ronald WHELAN MBE,...
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Reference: | HW 25/22 |
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Description: |
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 |
Date: | 1940 May 01-1945 May 31 |
Held by: | The National Archives, Kew |
Legal status: | Public Record(s) |
Closure status: | Open Document, Open Description |
Access conditions: | Retained Until 2002 |
Record opening date: | 01 August 2002 |
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