Correspondence and other papers regarding the Radcliffe Observatory, Pretoria, and the Radcliffe Trust, including correspondence with Longbourne, Stevens and Powell regarding the Trust; minutes of the annual meetings of the Trust; correspondence concerning the Radcliffe Travelling Fellowship and Skymer Studentship; the Department of Science and Industrial Research Grant reports of A.D. Thackeray, the Radcliffe Observer; papers concerning staff matters; and correspondence regarding instruments at the Observatory. |