Pick Number: W399
Year: © 2023
Denomination: 50 Pounds
Grade: Uncirculated
Note Description:
Front: Charles III, Bank of England building
Back: Alan Turing
mathematical table and formulae from Turing’s seminal paper “On Computable Numbers, with an application to the Entscheidungsproblem”;
Automatic Computing Engine (ACE) Pilot Machine (one of the first electronic stored-program digital computers), series of background images with technical drawings from the "ACE Progress Report";
ticker tape depicting Alan Turing’s birth date (23 June 1912) in binary code;
technical drawings for the "British Bombe" (machine used at Bletchley Park to break Enigma-enciphered messages during WWII)
Issued by:Bank of England
NOTE:
Material : Polymer