Scope and Contents Corrected comparisons of P.A. Hansen's lunar reductions. The volume includes the Moon's errors, 1847-1855, as observed with the transit circle and altazimuth; comparisons of original and new computations; transit circle and altazimuth computations, 1847-1861, with Marth's corrections; and the corrected value of longitude error and errors of the Moon's tabular place in longitude and ecliptic north polar distance. There are some extra miscellaneous computations and letters by J.C. Adams, J.R....

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Computations by H. Breen on observations made at Greenwich, Cambridge, Edinburgh and the Cape, concerning the constant of lunar parallax. Some of the computations relate to the theories of J.K. Burckhardt and J.C. Adams.

Scope and Contents Correspondence and theories of J.C. Adams, A. d'Abbadie and Mr Sawitsch regarding geodesy. The papers includes a manuscript titled 'Observations made at Schiehallion June 1775' written by Dr Maskelyne and an assistant; a resumé of the career of Captain Basevi; plans of platforms for pendulums in a Russian observatory and in the Royal Society; a printed paper titled 'Gegenbericht an die permanente Commission der Europaischen Gradmessung' (Reply to the permanent European Commission on the size...

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Correspondence concerning requests for reduced lunar observations, etc.; computation of the geocentric places of the planets; instructions and computations for planetary reductions; Bradley's reduced observations; and reductions of the minor planets. The correspondents include J.W. Lubbock, J.C. Adams, W.S. Stratford, J.F. Encke, F. Baily, J. Challis and P.A. Hansen.

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Correspondence regarding H. Breen's reductions of the observations made by James Bradley at the Royal Observatory during the years 1743-1750. The volume includes H. Breen's wage receipts; reports on the state of the calculations; and 'Work Book (2)' of G W. Farrcourt, assistant to H. Breen. There is also related correspondence with the Admiralty, J.C. Adams and R. Main.

Scope and Contents Correspondence concerned primarily with preparations for expeditions to Spain, North Africa and Sicily to observe the total solar eclipse, 21-22 December 1870. The correspondents include J.C. Adams, J.F.W. Herschel, J.R. Hind, W. Huggins, P.J.C. Janssen, Sir J.N. Lockyer, S. Newcomb, B. Peirce, C. Pritchard, H.E. Roscoe, C.B. Vignoles and J. Winlock. There is a report by J. Carpenter, a paper by Sir J.N. Lockyer bearing a ½d stamp, papers on longitude experiments with telegraphs, and an...

Scope and Contents Correspondence of David Gill with various individuals regarding work on the Southern Durchmusterung, divided into sections by correspondent:Professor J.C. Adams, Cambridge, 13 March 1888.Dr A. Auwers, Berlin, 9 May - 1 June 1887.A.A. Common, Ealing, 20 June 1887 - 7 July 1899.Thomas Dollmeyer, London, 21 November 1882 - 9 November 1887.T. and P. Henry, Paris, 13 February - 20 May 1885.M.L. and W. Huggins, London, 22 January 1883 - 25 September...

Scope and Contents Correspondence relating to the transit of Venus, 1874. The correspondents include J.C. Adams, W. De La Rue (with a photograph), R.L.J. Ellery, B.A. Gould, R. Grant, Sir W. Huggins, Lord Lindsay, Sir D. Gill, Sir J.N. Lockyer, Sir T. Maclear, Dr R. Copeland, R. Main, E.J. Stone, C. Meldrum, N.R. Pogson, R.A. Proctor, H.C. Russel, C. Todd, Major Tennant, Dr Oppolzer, J.C. Houzeau, J.A.C. Oudemans, P.A.E. Laugier, A. d'Abbadie, C.E. Delaunay, U.J.J. Le Verrier, O. Struve, Dr P.J.E. Janssen, G....

Scope and Contents Correspondence on instruments used in observing the transit of Venus. The correspondents include J.C. Adams, J. Challis, W. De La Rue, G. Forbes, Messrs C. Frodsham and Co., Messrs Dent and Co., J.H. Dallmeyer and C.J. Corbett. The papers include lists of clocks, with some of their rates; a list of telescopes used in the transit of Venus observations; plans of plate holders for photoheliographs; two photographs of the Corbett 6 1/3" Equatorial Telescope; drawings and a diagram from a...

Scope and Contents Correspondence relating to the transit of Venus, 1882. The correspondents include W. Spottiswoode, J.R. Hind, A. d'Abbadie, J.C. Adams, W. De La Rue, Maxwell Hall, Sir D. Gill, G. Forbes and J.H. Dallmeyer. Included amongst the correspondence are printed papers on instructions to observers; minutes of the meetings of the Transit of Venus Executive Committee; a Report of the Committee; a paper on Airy's Double-Image Micrometer; and newspaper cuttings on the transit of Venus and expeditions....

Scope and Contents Correspondence regarding admissions to visit the Royal Observatory. The volume is divided broadly into requests from the Admiralty to visit the Royal Observatory, introductions on behalf of visitors, personal requests to visit the Observatory, questionnaires for visitors, and instructions to assistants to receive visitors. The correspondents include J. Washington, J. Field, W.H. Sykes, J.W. Lubbock, B.A. Gould, J.C. Adams, J.R. Hind, J.E. Grey, J.A. Brown, J.D. Forbes, R. Fitzroy, J....

Scope and Contents Correspondence regarding admissions to visit the Royal Observatory. The volume is divided broadly into requests by the Admiralty to visit the Royal Observatory, introductions on behalf of visitors, and personal requests to visit the Observatory. The correspondents include H.C.G.G. Lennox, G.H. Richards, F.J.O. Evans, R. Hall, J. Winlock, B.A. Gould, R. Grant, E.J. Stone, A.A. de la Rive, C.T. Bright, J.W. Lubbock, J.C. Adams, E.J. Routh, J. Glaisher, W. De La Rue, W. Farr, the Earl of Rosse,...

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Correspondence on the positions of stars, observations of stars mentioned in catalogues, corrections to star positions, and examination and formulation of star tables for catalogues. The correspondents include W.H. Smyth, E.J. Cooper, A. Graham, J.C. Adams, T. Maclear, H.C. Schumacher, J.R. Hind, U.J.J. Le Verrier, R.C. Carrington, G.P. Bond, E. Dunkin, N.R. Pogson, O. Struve, M.J. Johnson, E. Heis and J.C. Miller.

Scope and Contents Planetary reductions by H. Breen for an investigation of the Moon's semi-diameter based on occultations observed at Cambridge and Greenwich during the period 1830 to 1860. The volume includes star corrections to mean right ascension and north polar distance; interpolation of the Moon's tabular right ascension and north polar distance; correction of J.K. Burckhardt's parallax; the final reductions; and a memoir on the occultations by Airy. There are also letters by W. De La Rue, J.C. Adams,...

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A collection of loose portrait plates, chiefly of astronomers, printed from engravings, drawings and photographs. The portraits are arranged alphabetically by surname of the sitter. Alongside astronomers, sitters include physicists, mathematicians and other scientists of note. The collection also includes a single portrait of King Charles II, an RGO staff photograph, and a book of portraits of astronomers.

Scope and Contents From the Series:

Material relating to those with a surname beginning 'A'.

Scope and Contents Letters from various British and international observatories on filling vacancies at Sydney; requests for new instruments from Madras and other places; and the possible establishment of new observatories at Bristol and other locations. The correspondents include C.P. Smyth, J.C. Adams, R. Grant, N.R. Pogson, R.L.J. Ellery, O. Struve, W. De La Rue, F.A.T. Winnecke, Sir F. Galton, R.C. Carrington, A. de Morgan, J.C. Maxwell and T. Maclear. There is also a photograph of Fletcher's Observatory;...

Scope and Contents Letters from various British and international observatories on filling vacancies; the foundation of new observatories at Auckland and Christchurch, New Zealand; requests for astronomical works; and recommendations for the Indian observatories. The correspondents include H. Merivale, N.R. Pogson, C.E. Delaunay, Sir W. Denison, J.A. Broun, R.L.J. Ellery, B.A. Gould, the Earl of Rosse, R. Grant, Sir D. Gill, W.M. Maskell, J.C. Adams, A.R. Clarke and W. Harkness. There are proceedings and...

Scope and Contents Letters from various British and international observatories on the subject of filling vacancies, requests for new instruments at Oxford, and information on recent work performed at various centres. The correspondents include J.C. Adams, U.J.J. Le Verrier, C. Pritchard, W. Huggins, G. Salt, H. Merivale, R.L.J. Ellery, Lord Lindsay, the Earl of Rosse, Sir R.S. Ball, N.R. Pogson, F.A.T. Winnecke and L. Mallet. There are various additional papers, including 'Le Revue Scientifique'; the history...

Scope and Contents Letters from various British and international observatories on filling vacancies, with enclosed testimonials; the foundation of a new observatory in Hong Kong; work at Indian observatories; covering letters to reports; and observatory reports. The correspondents include J.L.E. Dreyer, E.J. Stone, C. Pritchard, Earl Rosse, Sir H. Thompson, E.J. Cooper, W. Spottiswoode, L. Mallet, N.R. Pogson, T.H. Huxley, E. Dunkin, O. Struve, G.G. Stokes, Earl Portsmouth, R.S. Churchill, Earl Kimberley,...

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Around 150 letters from various correspondents to Professor Humphrey Lloyd, Provost of Trinity College, Dublin. There are numerous letters from G.B. Airy and Sir John Herschel. Other correspondents include well-known scientists, including John Couch Adams, A.D. Bache, David Brewster, Buys Ballot, John Challis and C.F. Gauss.

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Weekly reports by J.R. Lucas, the superintendent of the lunar reductions. There are also comparisons of J. Pond's star observations; calculations of epochs; calculations for lunar reductions; calculations of numbers from P.A. Hansen's tables; errata in J. Pond's observations; corrections to the Moon's parallax and semi-diameter; and letters from J.C. Adams, J. Challis and J.R. Hind.

Scope and Contents Correspondence on various mathematical theories and calculations, mainly pure, but some applied, and miscellaneous papers on scientific matters. The correspondents include, among others, C. Brooke, R.C. Carrington, W.J. Rankine, L.S.X.B. Aousts, R.H. Manners, A. Strange, J.N. Lockyer, J. Tyndall, A.R. Clarke, A. de Morgan, J.C. Adams, E.J. Routh and W. Shanks. The material includes a paper by Airy 'on the factorial resolution of a given trinomial formula'; a printed paper by W. Shanks 'On...

Scope and Contents Correspondence on various mathematical theories and calculations, mainly pure, but some applied, and miscellaneous papers on scientific matters. The correspondents include, among others, J.C. Adams, A.R. Clarke, F. Galton, E.J. Mills, E.J. Routh, B. Stewart and G.G. Stokes. The material includes two printed papers by M.F. Folie, in French, one translated as 'second note on the extension of the idea of an harmonic ratio', the other translated as 'On the evolution, or fundamental new...

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Photocopies of a letter from Arthur Cayley, Cambridge, to John Adams, 18 November [1873], 2 pages, containing a list of suggested names for the Royal Astronomical Society's Council, and of a list by Adams of proposed members of the Council, 2 pages.