Comprises mainly manuals and software related material of ICL, but also of companies related to, or subsumed into, ICL including British Tabulating Machine Co. Ltd., International Computers & Tabulators Ltd., Hollerith, Powers-Samas, English Electric Computers, et al. Also includes numerous files of J.M.M. Pinkerton (1947-86) and technical drawings of LEO computer. Archive of International Computers Ltd.
14 items Collection of documents and ICL PLAN source listings referring to subroutines written in the PLAN programming language used to create a tailored word processing program for users in the printing and publishing industry
3 boxes (86 items) Collection of computing-related material, predominantly relating to the work of the International Computers Limited
5 boxes of files, notebooks, disks and circuits Research Papers of Ken Johnson related to Ferranti Computers