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The Holleriths (later IBM Tabulators) were also used extensively in Bletchley Park and the Heliopolis station as part of the technique for cracking Italian Air
by davecridland 11y ago
The Holleriths (later IBM Tabulators) were also used extensively in Bletchley Park and the Heliopolis station as part of the technique for cracking Italian Air codes - explaining why there's one or two knocking about in the National Museum of Computing in Bletchley.