Letter/Copy letter

Scope and Content

Exchange between Audrey Bates (Ferranti Ltd) [Margery Audrey Bates, b.1928, was a former research student of Turing] and Turing concerning his advice on technical aspects of the Ferranti Mark I; includes copies of meeting between Turing and Ferranti staff, 20 April 1951, and Turing's additional comments, 30 April 1951.