Chilton Atlas: 1963-1973

1960: IBM 709 rented by Aldermaston, IBM 704 moved to Risley
1961: IBM 7090 replaces 709 at Aldermaston
1961: Harwell makes case for installing a Ferranti Atlas (£3.5 million):
1. Should be installed at Harwell
2. 50% for Harwell, Culham, Risley, Winfrith
3. Substantial share for Rutherford Laboratory
4. Remainder (if any) for the universities
Minister of Science authorised the purchase by Harwell:
1. To be run by NIRNS (free to universities and RL)
2. Equal shares of the machine time allocated to:
  1. Universities and Government organisations (33%)
  2. NIRNS: RL (33%)
  3. Harwell (33%)
1961: NIRNS to build Atlas Computer Laboratory between RL and Harwell, appoint Jack Howlett as Director
1962: IBM 7030 (Stretch) rented for 2 shifts at Aldermaston, IBM 7090 moves to Risley