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A printed copy of Harold Spencer Jones' address on Sir Isaac Newton, to be delivered in Brussels on 25 January 1947, with manuscript and typescript copies of a French translation by P.J. Melotte. There is an accompanying note from Spencer Jones to Melotte requesting that the translation be made, 28 December 1946.

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...

Scope and Contents Correspondence concerning clocks, time and the 24-hour time system, including the following material:(1) Non-Observatory clocksMemorandum on the history of 'Joseph Knibb', 17th-century London clockmakers, 1925.Correspondence between Ethel M. Knocker, British Columbia, and Sir Frank Dyson regarding the history of Joseph Knibb, 1925.(2) Non-Observatory chronographs and transitsCorrespondence between Sir Harold Spencer Jones and the Mercantile Marine...

Scope and Contents Correspondence on different aspects of the work of the Cape Observatory:(1) Cape Observatory InstrumentsCorrespondence between G.B. Airy, W. De La Rue and D. Gill regarding the proposed large equatorial for the Cape, 10 April - 13 November 1880, with Airy's report to the Admiralty of 10 November 1880.Correspondence between G.B. Airy and J. Simms regarding iron stands for small transits, including diagrams, 21-28 July 1880.Correspondence between G.B. Airy and...

Scope and Contents Correspondence and related papers concerning magnetism, including correspondence with the Carnegie Institute of Washington and the Department of Terrestrial Magnetism regarding the interchange of magnetic data; correspondence with Dr G. Swoboda, Lausanne Magnetical Observatory, regarding magnetic character numbers from the Abinger Magnetic Observatory; and quarterly summaries of days classified according to magnetic disturbances. The papers also include the following material:Letter...

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 Correspondence and related papers concerning the R.R.S. (Royal Research Ship) 'Research'. Some of the principal items are as follows:(1) Correspondence regarding fittings and instruments for the R.R.S. 'Research'Correspondence with the Cambridge Instrument Company Ltd regarding the marine earth inductor, 1938.Correspondence regarding the collimating compass, 1938.Report on the magnetic suitability of a D'Arsonval Galvanometer submitted by the Cambridge...

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,...

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A letter from H. Spencer Jones to D.H. Sadler, 25 February 1949, and Sadler's reply of 26 February, regarding the meeting of the International Astronomical Union in Copenhagen in 1946.

Scope and Contents Correspondence regarding the Isaac Newton Telescope Committee, including correspondence between Sir Richard Woolley at the Commonwealth Observatory, Mount Stromlo, and H. Spencer Jones, Astronomer Royal; minutes of various meetings of the committee; and monthly financial/progress reports. There is also correspondence with P.M.S. Blackett of the Imperial College of Science and Technology; Sir Howard Grubb, Parsons and Co. Ltd, Newcastle-upon-Tyne; the Rector of Cairo University; the...

Scope and Contents Correspondence with the Astronomer Royal and others on matters relating to the printing of the 'Nautical Almanac':Correspondence with Harold Spencer Jones, Astronomer Royal, 1941, concerned mainly with delays in the printing of 'Nautical Almanac' publications, with letters approving the preface for the 1943 edition.Correspondence with the H. Spencer Jones, the Hydrographer of the Navy, His Majesty's Stationery Office and L.J. Comrie, 1934-1941, regarding changes in the...

Scope and Contents (1) Miscellaneous correspondence and related material concerning the Nautical Almanac Office. There are papers regarding staff finance, including concession passes issued to staff, salaries, reference sheets and data supplied by the N.A.O. to H.G. Barker, Secretary and Cashier for the Royal Observatory, for making payments. There is also correspondence regarding Hollerith equipment for the N.A.O.; telegrams from the Colonial Office regarding Greenwich Mean Time and British Summer Time in the...

Scope and Contents Correspondence and related papers concerning the Royal Astronomical Society, including the following material:(1) General correspondenceCorrespondence between Sir Harold Spencer Jones and Miss Garratt, Royal Astronomical Society, regarding the Padbury chronometer, 1949.Correspondence regarding the R.A.S. Finance Committee, 1949.Correspondence between H. Spencer Jones and Dr G. Merton regarding reductions of the Stanley Williams variable star observations,...

Scope and Contents Miscellaneous correspondence with the Admiralty:Correspondence with the Accountant General of the Navy regarding payments to staff, insurance, office expenses, postage, accounting, the closing of the Nautical Almanac Office's bank account, and other subjects, 1921-1941.Correspondence with the Civil Establishments Branch on various staff matters, 1927-1935.Correspondence concerning a census of Civil Service staff, 1932-1933, including copies of form E40 (returns of...

Scope and Contents Articles and drafts of speeches, including the following items:Speech delivered by Sir Richard Woolley when the University of Uppsala, Sweden, conferred upon him the degree of Doctor of Philosophy, Honoris Causa.Booklet titled 'Astronomical Insights', published by the Australian Broadcasting Commission, 1970.Article by Woolley reprinted from the 'Quarterly Journal of the Royal Astronomical Society', Vol. 3, 1962, concerning the Isaac Newton Telescope.Article...

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A photocopy of 'Formulae for the Calculation of Geodetic Positions' by J.C.B. Redfearn, 1941. There is an accompanying letter from Redfearn to D.H. Sadler, 17 October 1941, presenting the volume, and a letter from Harold Spencer Jones to Sadler, 24 November 1941, regarding Redfearn's formulae.

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A recording of an interview with Barton discussing his spotting of Nova Aquila 1918, his friendship with Sir Harold Spencer Jones, how he met his wife, and the secret of his longevity.

Also, brief outline and typed and handwritten typescripts.

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A letter from Harold Spencer Jones, Royal Observatory, Greenwich, replying to an enquiry about the position of Lalande 20654 and the error in the tabulated place of Saturn.

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Photocopies of letters to Harold Spencer Jones:

1. B. Eyres-Monsell to Jones, 21 November 1932, 2 pages.

2. W.A.T. Shorto to Jones, 3 January 1932, 1 page.

3. The staff of the Royal Observatory, Cape of Good Hope, to Jones, 15 December 1932, 1 page.

4. A.W. Roberts to Jones, 22 December 1932, 2 pages.

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Obituary of Harold Spencer Jones (1963).

Scope and Contents Records for the 1930-1931 parallax programme of the Royal Observatory Greenwich and Cape Observatory to determine the solar parallax (distance to the Sun) by observations of the minor planet Eros and comparison stars. The records comprise tabulated data sets based on photographic observations taken at Greenwich and at various international observatories (RGO 81/2-48), along with 20 volumes of micrometric measurements of photographic observations of Eros and comparison stars from...

Scope and Contents The collection contains a wide range of correspondence and papers relating to the activities of the Royal Observatory during Harold Spencer Jones' time in office, with some additional material from later periods. The subjects covered include the history and internal affairs of the Observatory, including staffing, meetings, visitations, visits abroad and annual reports; the Observatory's instruments; relations with the Admiralty and H.M. Dockyards; the Observatory's moveable property,...

Scope and Contents The collection is comprised principally of correspondence, with related papers (1-618). Much of the correspondence is concerned with the everyday running of the Observatory, including funding issues; the appointment and salaries of staff (including a long series on the Radcliffe-Henry Skynner Fellowship); the maintenance of buildings; and the acquisition and operation of instruments and other pieces of equipment. The principal correspondent is the Trustees' legal representative, the firm...

Scope and Contents Correspondence regarding magnetic observations, investigations, etc., including the following material:Correspondence with Professor Blackett regarding the quartz horizontal magnetometer and the balance magnetometer zero designed by D. la Cour, 1947.Material on the agenda of the Commonwealth Conference on 'Defence Science', 1947.List of cometary phenomena by P. Bernard, 1947.Correspondence between Sir Harold Spencer Jones and C.S. Beals regarding the position...