1 box-file Technical information on the Ferranti Apollo, Hermes, Poseidon, Gemini, F1600, Argus, Sirius, and Orion computers
1 box-file A study of the requirements for the acquisition of a computer for Tube Investments (Group Services Ltd.), Walsall
1 box-file Documents relating mostly to UK computers, but also containing some USA and worldwide material
1 box-file Pegasus photographs and a copy of "The Pegasus Story: a history of a vintage British computer" by Simon Lavington
1 box-file Ferranti Pegasus technical reports, arrangements and correspondence for the Computer Conservation Society Pegasus Open Day in the Science Museum, Thursday 17th May 2001
1 box-file Material including early NRDC history, early computer programming systems, and the Comprehensive Computer Catalogue of 1997
6 box-files Documents relating to general Ferranti background information and technical data on ten types of Ferranti computers
10 box-files Documents relating to the general history of British-designed digital computers of the period, excluding Elliott, Manchester and Ferranti computers
4 box-files Material relating to UK manufacturers, including English Electric, Leo Computers, BTM, ICT, ICL, EMI, AEI/Metrovic, STC, Decca, Marconi