Scope and Contents Letters and papers concerning new inventions; trials of improved instruments, especially the transit circle, Great Equatorial and altazimuth instruments; and improved techniques. The correspondents include B.A. Gould, C. Pritchard, E. Dunkin, E.J. Stone, L. Respighi, O. Struve, W.H.M. Christie, W. De La Rue, J.C. Maxwell, W. Huggins, S.J. Perry, A.V. Auwers, M.C. de Littrow, C.J.E. Wolf, A. Laussedat and J.R. Hind. There is a description and plans of the Great Equatorial Telescope;...

Scope and Contents Correspondence concerning the Greenwich transit circle; adjustments to the altazimuth instrument and photoheliograph, with corrections; O. Struve on the proposed Russian refractor; and various suggestions sent to Airy. The correspondents include J.H. Dallmeyer, A.A. Common, W. De La Rue and W.H.M. Christie. There are papers by E. Plantamour and M. Loewy, in French, on spirit levels and flexure of the telescope; J. Hampden on sun dials; and E.T. Loseby on the benefits of spun glass. There are...

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Comparisons of north polar distances in the first and second seven year and nine year star catalogues and for circumpolar stars, with corrections to those comparisons. There is a catalogue of 384 transit stars and a short paper by A.M.W. Downing on refraction. The correspondents include W.H.M. Christie, A. d'Abbadie, J.R. Hind, A.V. Auwers, C.P. Smyth, T.H. Safford, E. Dunkin and O. Struve.

Scope and Contents Correspondence on comets observed between 1853 and 1855, including Secchi's Comet (1853); the Southern Comet (1853); Klinkerfeus's first and second comets (1853-1854); and the Second Comet of 1854. The correspondents are largely interested amateurs forwarding their own observations with a few theories on comets, but also include O. Struve and J.R. Hind. The volume includes T. Maclear's South African observations, the time of return to perihelion of comets and newspaper articles on recent...

Scope and Contents Correspondence on geodesy with related papers. The correspondents include H. James, W. De La Rue, C. Pritchard, B.A. Gould, O. Struve, F.A.T. Winnecke, C.F. Varley, W.G. Armstrong, J.T. Chance, W. Smyth, A.R. Clarke, R.L.J. Ellery, J.J.V. Littrow, A. d'Abbadie and C.V. Walker. There is material concerning experiments to find the Earth's density; a paper on a geological survey of Britain; drawings of two portable transit instruments and a zenith sector; departmental orders for a...

Scope and Contents A book devoted to the total solar eclipse of 28 July 1851, comprised mainly of correspondence on preparations and issuing instructions to professional and amateur astronomers. The correspondence includes letters to J. Challis, E.J. Cooper, J.F. Encke, H. Fox-Talbot, H.A.E.A. Fayé, J.D. Forbes, J.F.W. Herschel, W. Lassell, Sir J.W. Lubbock, R. Stephenson, H.U. Addington and Lord H.E. Stanley of Alderley. There are a considerable number of requests from many amateur astronomers.The...

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 with various scientific societies, with related papers. There are notices and council minutes for the British Association; reports of the Kew Committee; the report of the committee wishing to publish K.L.C. Rümker's stellar observations; papers relating to W.R. Birt's lunar committee; W. Thomson's report on tidal observations; W.R. Grove's address to the 1866 convention; and J.D. Forbes' address to the 1867 convention. Other articles include a description of the Kew...

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Official and general correspondence with the Warden of the Standards and with Jacobi, Mathieu, W.H. Miller and O. Struve regarding standards. The volume includes lists of figures for 'Airy's cyclinder gauging scale', photographs 'of the original attestation of Deposit of the Original Standards of the Metre and Kilogram', and printed papers and letters on the International Standards Commission.

Scope and Contents Correspondence with tradesmen, including letters from booksellers; coal merchants; clock repairers; horologists; chandlers; merchants; instrument makers; parcel carriers; engineers; chemists; decorators; journeymen; bookbinders; import agents; gas fitters; and printers. The letters cover various instructions; requests; accounts; invoices; bills; receipts; tenders; circulars; routine repairs; and adjustments and improvements to instruments. There are letters from F.A.T. Winnecke, E. Dunkin,...

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Correspondence with tradesmen, including letters from booksellers; bookbinders; glass manufacturers; and instrument makers. The correspondents include W. De La Rue and O. Struve. The volume contains two circulars from Hall and Wells advertising their patent telegraph cable for deep sea and other telegraph cables; a price list from the Birmingham Plate Glass Company; and a circular advertising an illustrated essay by Moritz Grossmann on the 'Detached Lever Escapement'.

Scope and Contents Correspondence on the position and identity of stars; requests for star catalogues; parts of star catalogues, including Maskelyne's star ledgers, 1755-1816; and some computations. There are brief papers by R.C. Carrington on 20 circumpolar stars; works on variable stars by N.R. Pogson; drawings of the ring and dumb-bell nebulae by W. Lassell; and treatments of the Great Nebula in Orion by G.P. Bond and O. Struve. There is also a piece on variable stars from the 'Aberdeen Free Press' and a...

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Letters from various observatories on filling vacancies, grant testimonials and orders for observations to be performed. The correspondents include W.C. Bond, J. Challis, O. Struve, O.M. Mitchel, C.P. Smyth, Lord Wrottesley, the Earl of Rosse, W.H. Sykes, P.P. King, Sir B. Hawes, R. Sheepshanks, Sir H.G. Ward and C. Pasley. Some of the later names were associated with the government. The volume also includes two copies of a report by C.P. Smyth on the Royal Observatory, Edinburgh.

Scope and Contents Letters from various British and international observatories on filling vacancies, requests for new instruments at Sydney, and covering letters to reports. Approximately half the correspondence is concerned with the possible closures and alternative uses of the Madras, Bombay and Colaba observatories; reports on the Madras and Colaba observatories and their history; and governmental recommendations for the Indian observatories. The correspondents on these matters include E.B. Eastwick,...

Scope and Contents Letters from various British and international observatories on filling vacancies, the foundation of new observatories in Jamaica and Japan, requests for instruments for New Zealand, and reports from various centres. The correspondents include C.P. Smyth, R. Herbert, L. Mallet, W.H.M. Christie, Sir D. Gill, C. Pritchard, N.R. Pogson, E.J. Stone, A.E.B. Mouchez, the Earl of Rosse, O. Struve and E.B. Baillaud. There are also reports from the Edinburgh, Colaba, Oxford University and Strasbourg...

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,...

Scope and Contents Miscellaneous papers concerning astronomical matters, including letters from O. Struve, C. Abbe, A.V. Auwers, F.W.A. Angelander, C. Pritchard, A. de Morgan and W. De La Rue. The subjects covered include the zodiacal light; the construction of the Sun; the structure of the Sun's photosphere, with photographs; the hypothesis of a giant black Sun with a small bright spot, with a photograph; two outline lunar maps and a catalogue of 203 objects by W. Birt; the lunar crater Linne; the lunar Mare...

Scope and Contents Miscellaneous papers concerning astronomical matters, including letters from O. Struve, Professor Clerk Maxwell, W.R. Birt, A.V. Auwers, J. Challis and W. De La Rue. The subjects covered include a photograph of the Sun; solar protuberances, in a letter from P.A. Secchi printed in 'The Mechanics Magazine'; C.A. Young's 'Bright Lines in the Spectrum of the Chromosphere'; Christie's paper on 'The Constitution of the Sun's atmosphere and Corona'; solar spectroscopy; W.R. Birt's lunar work;...

Scope and Contents (1) Letters regarding the existence of Neptune, 1846-1878Duplicate copies of collected correspondence on the investigations of J.C. Adams and U.J.J. Le Verrier into the existence of Neptune and in particular of the ensuing controversy over the name of the planet. There are also other letters concerning the minor planets and mathematical formula for their orbits, the Moon's equation and lunar acceleration. The correspondents include J.C. Adams, Sir George Airy, F.N.M. Arago, J....

Scope and Contents (1) Correspondence, 1834-1895Correspondence regarding J.C. Adams and other subjects, as follows:Index to correspondence, 1895.C. Taylor's suggestion of a memorial to J.C. Adams at Westminster Abbey, 1892.D. McAlister's proposal for a publication of J.C. Adams's papers, with lists of important correspondence, 1892-1893.Notes on correspondence in the Royal Observatory records regarding the search for Neptune, 1834.Notes from J.F.W. Hershel's...

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Airy's miscellaneous correspondence with, among others, J.C. Adams, D.F.J. Arago, J.B. Biot, P.H.L. von Boguslowski, J. Challis, W. Cubitt, A. d'Abbadie, J.D. Forbes, J.S. Henslow, J.F.W. Herschel, M.J. Johnson, W. Lassell, U.J.J. Le Verrier, W.H. Miller, J.P. Nichol, G.A.A. Plana, J.C. Ross, the Earl of Rosse, H.C. Schumacher, G.G. Stokes, W.H. Smyth, C.P. Smyth, R. Sheepshanks, F.E.W.V. Struve and W. Whewell.

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Airy's miscellaneous correspondence with, among others, D.F.J. Arago, F. Beaufort, J. Challis, E.J. Cooper, W.R. Dawes, A. de Morgan, W. Denison, J.F. Encke, J.D. Forbes, R. Grant, J.F.W. Herschel, the Earl of Rosse, E. Sabine, A. Sedgwick, R. Sheepshanks, W.H. Smyth, R. Stephenson, W.S. Stratford, F.E.W.V. Struve, W. Whewell and Lord Wrottesley.

Scope and Contents Airy's personal correspondence on scientific and non-scientific matters with, among others, J.C. Adams, F. Beaufort, J.B. Biot, E.M. Brayley, R.C. Carrington, A. de Morgan, W. Denison, J.F. Encke, H.A.E.A. Fayé, J.D. Forbes, B.A. Gould, P.A. Hansen, J.F.W. Herschel, J.R. Hind, U.J.J. Le Verrier, J.S. Bowerbank, E. Loomis, O.M. Mitchel, R.I. Murchison, C.H.F. Peters, C. Pritchard, L.A. Quetelet, J. Richardson, G.S.G. Santini, P.A. Secchi, W.H. Smyth, C.P. Smyth, J. Sopwith, O. Struve, J....

Scope and Contents Airy's miscellaneous personal correspondence on scientific and non-scientific topics, including a great number of obituaries and memoirs of fellow scientists. The correspondents include C. Abbe, J.C. Adams, A.V. Auwers, G.P. Bond, A. Caswell, W.H.M. Christie, A. d'Abbadie, A. de Morgan, W. De La Rue, H.A.E.A. Fay, J.D. Forbes, W.J. Foerster, J.G. Galle, B.A. Gould, W. Huggins, W.R. Hamilton, P.A. Hansen, A.S. Herschel, J.F.W. Herschel, J.R. Hind, A.W.V. Hofmann, U.J.J. Le Verrier, J.H.V....