Comprises:
- 1, Computers, Research for Development (Magnetic Tape), Pye Ltd, File No. 1, correspondence, 1953-1954;
- 2, Computers, Research for Development (Magnetic Tape) Pye Ltd, File No. 2, 1954-1960;
- 3, Computers, Research for Development (Magnetic Tape) Pye Ltd, reports, 1952-1954;
- 4, Computers, Remington Rand Ltd, General, correspondence, 1952-1953;
- 5, Computers, Industrial Management Research Association, correspondence, 1954-1956.