Correspondence regarding the Royal Greenwich Observatory Board of Visitors, 1963-1965, including correspondence with W.H. McCrea, Convenor; material on the nomination of D.W.N. Stibbs to the Board; minutes of meetings; correspondence on the management of the Isaac Newton Telescope and the projected merging of the Board of Management with the Board of Visitors; and papers on the dissolution of the Board of Visitors and the setting up of the Royal Greenwich Observatory Committee.

There are also papers concerning the new R.G.O. Committee, 1965-1968, including material on fees and travelling expenses; patent applications by staff; the report of the Astronomer Royal for 1960-1965; invitations to committee meetings; correspondence on the future of geomagnetism; legal disclaimers for advice given; and a statement of Nautical Almanac Office activities.