Collection of documents relating to the Ferranti Argus 100, 300, 400 and 700 series of computers. The documents include description manuals for the early models along with circuit and logic diagrams for various parts of the computer and handwritten notes made during development work.

The collection also contains a small number of printed publications including 'The Characteristics of Computers in the Second Decade' and STEPMA - A Simulator for tele-processing and multi-access systems'.