Letter/Copy letter

  • Reference
    • GB 133 TUR/Add/106
  • Dates of Creation
    • 20 Nov 1952 & 20 Feb 1953
  • Physical Description
    • 2 items

Scope and Content

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".