Scope and Contents Correspondence regarding instruments at the Royal Observatory, Cape of Good Hope, including the following material:Correspondence between R. Atkinson and J. Jackson regarding an 18-inch lens, 1949.Correspondence between R.H. Stoy and Sir Harold Spencer Jones regarding the pallet stones of the Riefler Astronomical Clock, 1949.Correspondence with Lady Hart Dyke of the Lullingstone silk farm regarding English raw silk cocoons for use as spiderwebs in telescopes and other...

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Correspondence regarding the salaries and appointments of staff at the Royal Observatory, Cape of Good Hope, including letters on the appointment of His Majesty's Astronomer at the Cape on the retirement of J. Jackson from that position.

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Correspondence concerning staff matters and appointments at the Royal Observatory, Cape of Good Hope, including the retirement of Dr J. Jackson in 1950.

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...

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Royal Society notices of meetings of the British National Committee of Astronomy and its sub-committee to discuss Redman's report on the International Southern Hemisphere Observatory, with Redman's handwritten notes in the margin. There are also letters to Redman from sub-members C.W. Allen; W.M.H. Greaves, Royal Observatory, Edinburgh; J. Jackson; W.M. Smart, Glasgow University; and H.H. Plaskett, giving comments and amendments to his draft memorandum.

Scope and Contents Official correspondence with Government departments and related papers concerning the Royal Observatory, Cape of Good Hope, including the following material:Report of His Majesty's Astronomer at the Cape of Good Hope to the Secretary of the Admiralty for the year 1948, compiled 1949.Correspondence regarding the re-filling of the post of His Majesty's Astronomer at the Cape Observatory, 1949.Minute from the Hydrographer referring to a photographic zenith tube,...

Scope and Contents Correspondence with the Astronomer Royal regarding work at the Royal Observatory, Cape of Good Hope, including the following material:Correspondence between Sir Harold Spencer Jones, Astronomer Royal, and John Jackson, His Majesty's Astronomer, Cape Observatory, regarding the Coleman 8-inch Cooke Refractor, 1948.Correspondence between H. Spencer Jones and J. Jackson regarding solar photographs, standard frequency transmissions, the war bonus, the end of the war in Europe,...

Scope and Contents A copy of a letter from D.C. Martin to members of the British National Committee for Astronomy, 29 December 1953, asking them for their views on an attached memorandum by Redman on the proposed Southern Hemisphere Observatory before he attends a meeting in Leiden on 25 January. There are copies of the replies received from J. Jackson; W.H. McCrea, Royal Holloway College; T.G. Cowling, Leeds University; H. Spencer Jones; D.H. Sadler, H.M. Nautical Almanac Office; H.H. Plaskett, Oxford...

Scope and Contents Correspondence regarding the Royal Greenwich Observatory's new transit circle, including the following items:Correspondence with Optical Works Ltd regarding filters for use in the solar eye-piece of the transit circle, 1961.List of optical parts and accessories for the 10-inch Cooke Refractor Telescope and transit instrument that was being offered by C. Baker of High Holborn, London, to A.N. Singh, with a request from Dr Singh regarding the R.G.O. testing the telescope before...

Scope and Contents Correspondence with J.H. Oort and related papers, including, among other items, correspondence of 18-22 March 1954, containing Oort's comments on the views of the British National Committee of Astronomy on the proposed southern observatory and the belief that the project will fail if Britain does not participate; a copy of a letter in German from O. Heckmann, Hamburg, to Oort, 11 March 1954, commenting on the South African project, enclosed with a letter from Oort to Redman; copies of Oort's...

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Correspondence with John Jackson, Royal Astronomical Society, concerning the views of directors of observatories on the proposed international observatory that should be put to the British National Committee for Astronomy, with Redman's draft statement for circulation to committee members.

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A letter from John Jackson, 21 February 1954, concerning the Royal Society's request for a report from the British National Committee for Astronomy regarding the proposed International Southern Observatory and whether the full committee should meet on 12 March. There is also a copy of Redman's reply of 24 February, in which he states that the Mazelspoort Station in South Africa will be closed in June 1955.

Scope and Contents Miscellaneous correspondence with the Royal Observatory, Greenwich:Letters on technical matters from F.W. Dyson, A. Crommelin and J. Jackson concerning the motion of the Moon, star catalogues and proposed changes to tables, 1923-1925.General correspondence between L.J. Comrie, F.W. Dyson and the Chief Assistant at Greenwich, 1926, including letters regarding calculations of the places of Bucklund-Hough stars and the Eros comparison stars.General correspondence...

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Letter to Dr J. Jackson regarding D. Gill's history of the Royal Observatory, Cape of Good Hope.

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Correspondence with John Jackson of the Royal Observatory of 1922-1924, published material and other papers regarding the eighth satellite of Jupiter, including the satellite's orbit and osculating elements. There are also tables of the computation of the standard coordinates of J. VIII observed with the 30-inch reflector of the Thompson Equatorial on 7 November 1917, 5 December 1917 and 7 and 11 January 1918.

Scope and Contents Correspondence and papers regarding quartz clocks, including the following items:Correspondence with M.L. Bateman and A. Hunter regarding the new the 'Isatome' portable quartz clock, 1963.Letter from H.M. Smith to the Division of Scientific Intelligence, Ministry of Defence, regarding Russian work on quartz clocks, 1957.Correspondence with H.M. Smith concerning the Time Department's move to Herstmonceux and the performance of ring crystals, including graphs,...