Scope and Contents First day cover of four stamps commemorating the bicentenary of the Armagh Planetarium, postmarked Armagh. The stamps were designed by Jeff Fisher and show: ‘Armagh Observatory, Jodrell Bank Radio Telescope and La Palma Telescope’ (22p), ‘Newton's Moon and Tides Diagram with Early Telescopes’ (26p), ‘Greenwich Old Observatory and Early Astronomical Equipment’ (31p), and ‘Stonehenge, Gyroscope and Navigating by Stars’ (37p). Also, printed envelope with the four stamps affixed, issued...

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Correspondence regarding the Armagh Observatory, 1957-1958, including correspondence with Professor F.H. Newark, and letters concerning the Dunsink Observatory, County Dublin, 1949-1951, including correspondence with the Director, H.A. Brück.

Scope and Contents (1) Miscellaneous foreign observatoriesLetter from R. Atkinson to Colonel Gerado Dianderas, Peru, regarding equipment for the proposed Arequipa Observatory, 1946.Correspondence with the Hong Kong Royal Observatory regarding time signals, 1946.Letter from S. Jarocinski, Warsaw, to Sir Howard Grubb, Parsons and Co. Ltd, regarding the Babia Góra Observatory, 1937.(2) Miscellaneous British observatoriesLetters from E.M. Lindsay, Armagh Observatory, to Sir...

Scope and Contents (1) Correspondence regarding Commonwealth and colonial observatories, 1911-1935, including the following material:Correspondence regarding equipment for the Mount Faber Observatory, Singapore, 1928-1930, including a transit instrument and micrometer.Correspondence concerning the closure of the Apia Observatory, Samoa, by the New Zealand Government, 1919-1935.Correspondence on the supply and testing of a 4-inch transit instrument and clock for the Colombo Observatory,...

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Correspondence with various English observatories, including letters regarding the Department of Scientific and Industrial Research Grants, Whitehall; the Jeremiah Horrocks and Wilfred Hall Observatories; observatories attached to universities; and the Armagh Observatory.

Scope and Contents Agenda and minutes of meetings of the Joint European Southern Observatory Committee and Sub-committees, with correspondence, including the following items:Correspondence with Sir A. Todd regarding a Commonwealth observatory, 1960.Memorandum on the Astronomer Royal's views on the needs of British astronomy, 1960.Correspondence with Sir M. Oliphant, Sir W. Hodge and Sir Solly Zuckerman concerning a Commonwealth observatory and the Joint European Southern Observatory,...

Scope and Contents Includes an obituary of Louis de Broglie, articles on the whereabouts of the Neptune Papers, the interactions between amateur and professional astronomers, supernova, and Newton, development plans for Herstmonceux Castle and the campaign to save it from a take-over bid, the move of the Speaking Clock, the development of the Russian and American Space Programmes, the RGO’s Laurie Project, a hacker breach of NASA’s network, the William Herschel Telescope, the Armagh Planetarium, the Powderham...