• Purpose built computer centre
• Arrives June 1964, Working October 1964
• University must approve computer power not available locally
• 100 times power of most university computers
• UK had fastest general purpose computer, world-wide
• Chilton Atlas doubled the computation power of the universities
• Jack Howlett used his discretion to foster new areas of computing
• Acceptance test was 4 consecutive days of 8 hours when for 85% time MTBF was at least 90 mins
  • Less reliable than Stretch
• 3 Atlas 1 delivered to Manchester, London, Chilton
• 3 Atlas 2 (no 1-level store) delivered to Cambridge, Aldermaston, CAD Centre