Papers relating mainly to the South African Astronomical Observatory, including a report on an engineering survey at the Observatory, 1977; a report on the meeting of the S.A.A.O. Advisory Committee, Cape Town, 25 February 1974, prepared for the Astronomy Policy and Grants Committee of the Science Research Council, with related papers on various astronomical matters, including applications for research grants, letters and reports; copies of correspondence on instruments for the S.A.O.O., 1976-1977; a status report on the Observatory's telescopes and instrumentation, 1977; and reports of the Astronomy, Space and Radio Board of the Science Research Council on the S.A.O.O., 1975 and 1977.