Notes, memoranda, reports, equipment proposals and assessments, research proposals requiring equipment, correspondence 1972-1982. Much of the material deals with the planning and purchase of computer equipment for DESY and should be consulted in conjunction with related material in the Instrumentation Division Computer Group, and the Scientific Purchases Committee. Folder H.218. 1972-1976. Folder H.219. 1977. Folder H.220. 1978-1982.