Comprises:
- 1, Brush Electrical Engineering Co. Ltd, correspondence, 1957-1958;
- 2, Computers Electronic, American Embassy Publications, newsletter, 1951-1959;
- 3, Computer, Patent Searches, Moore & Hall, correspondence and patents, 1952;
- 4, Position Control Servo Systems, correspondence, 1952-1961;
- 5, File of correspondence and newsletters, American Office of Naval Research; 1953-1960;
- 6, Computers Electronic, Science Museum, correspondence, 1951;
- 7, Computers, Related Projects, BAOR Scientific Research Branch, correspondence, 1951-1960;
- 8, Computers, Related Projects, BAOR Scientific Research Branch, Counsel's opinion re patent, Journal (German), 1949-1958;
- 9, Computers, High Frequency Recording on Magnetic Tape, Epsylon Ltd, Development, reports and correspondence, 1959.