From Kenneth Ziegler, McGraw-Hill Book Company, asks if he planned writing on the mathematical theory of machines; in his reply Turing days he has no plans.The dorse of Ziegler's letter has been annotated, presumably by Turing, with notes and formulae, entitled "Kjell Filter Prep".
Letter/Copy letter
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- ReferenceGB 133 TUR/Add/106
- Dates of Creation20 Nov 1952 & 20 Feb 1953
- Physical Description2 items