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Operation Ultra was designed to intercept & decode German signals sent using Enigma, the top-secret German cypher machine. F.W. Winterbotham, was the man responsible for the organization, distribution & security of Ultra. This is his personal account of the operation.
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F. W. Winterbotham (1897-)Places
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Feedback?February 14, 2020 | Edited by MARC Bot | remove fake subjects |
March 30, 2017 | Edited by LeadSongDog | Edited without comment. |
July 28, 2016 | Edited by Thurman E. Dalrymple | Edited without comment. |
January 10, 2015 | Edited by Jessamyn West | merge authors |
May 6, 2010 | Created by WorkBot | new work for accessible book |