Scope and Contents Official and general correspondence, with related papers, regarding the design and finance of the Isaac Newton Telescope, including correspondence on the disk and glass; a letter from the Astronomer Royal to the Helwan Observatory, Egypt, 21 July 1947, regarding a large glass disk for the observatory's large reflector; correspondence with F.J. Hargreaves; a letter from the Astronomer Royal to the Director General of Observatories, New Delhi, 21 July 1947, regarding a large glass disk for the...

Scope and Contents (1) Official correspondence and minutes of the Board of Management regarding the design and finance of the Isaac Newton Telescope:Summary of official correspondence since the last Executive Committee meeting on 16 November 1956, dated 1959.Correspondence concerning microseisms affecting the Isaac Newton Telescope, 1957-1959.Letters and a diagram from Dr David Dewhirst concerning the Lick prime focus cage, 1959.News release from the Admiralty on the subject of...

Scope and Contents Files concerning RGO advisory work with overseas observatories, particularly in Saudi Arabia and Egypt. Most concern the RGO's involvement with the Saudi Arabia Telescope Project, a project to set up a new National Observatory in Saudi Arabia and a proposed large radio telescope for Riyadh University. There are also two files relating to RGO advisory work with Helwan Observatory and Kottamia Observatory in Egypt, including an inspection of instruments carried out in 1965. The final file...