Catalogue description A paper on the use of Hollerith equipment in Bletchley Park by Ronald WHELAN MBE,...

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Details of HW 25/22
Reference: HW 25/22
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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