Patent applications, rejections, correspondence and specifications, correspondence with E.W. Pike (BOAC), correspondence with CSIRO, correspondence with Department of Civil Aviation, correspondence from J.C. Lane, records relating to Cumming's application to study at the University of Michigan, job and fellowship applications, Department of Civil Aviation Aeronautical Research Laboratories Steering Committee Minutes, departmental memoranda and circulars, scientific officer salary comparisons and determinations, management conference papers.