Comprises:
- 1, Rothamsted Experimental Station, correspondence, 1954-1956;
- 2, Punched Paper Tape, Working Party, reports, 1954-1958;
- 3, 401 Computer, Programmers Notes, Order Code, reports, 1956-1958;
- 4, Project to install an Elliott 405 Computer for dataprocessing at Siemens Bros, Woolwich, book, 1956-1961;
- 5, NRDC/Siemens (AEI) 405 Project, reports, 1956-1962;
- 6, Siemens Progress Meetings"., reports, 1958-1959.