Scope and Contents Correspondence concerning improved instruments, new techniques and inventions, and a proposed planetarium and cometarium. The new inventions include improved sextants and sea horizons; a micrometer; a paper on finding Greenwich Time, complete with a drawing; achromatic eyepieces; an improved quadrant; drawings of eye pieces; a heliotrope; and an illuminating process for telescopes. The correspondents include Sir B. Donkin, Sir C. Wood, Sir H.G. Ward, Sir W. Denison, J. Challis, C.B....

Scope and Contents Correspondence on magnetic observations, including papers on the establishment of a Magnetic Observatory in Greenwich Park and the benefits to astronomers of this research; specifications and accounts for the Observatory building; functions of the Magnetic Observatory and the provision of staff and equipment; extracts from Royal Society correspondence and minutes on magnetism and meteorology; a report on a letter by F.W.H.A.V. Humboldt concerning magnetic observations; the report of the...

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Correspondence relating to the observatory at Sydney, including orders and requests for new instruments, the transport of new instruments and their insurance, the filling of vacancies, and financial transactions with the Oriental Bank Corporation. The correspondents include Sir W. Denison, W. Hopkins, W.H. Miller, E. Sabine and B. Stewart, as well as government departments and various instrument makers.

Scope and Contents Correspondence on the establishment of a 'Southern Telescope', including a resolution for establishing a large southern telescope; the foundation of the Southern Telescope Committee; printed correspondence with the Southern Telescope Committee, including drawings, mounting of the telescope and posts for observers; and letters from W. Cubitt, Sir W. Denison, T. Maclear, J. Nasmyth, the Earl of Rosse, E. Sabine, W.H. Smyth, C.P. Smyth (with his report for the Royal Observatory, Edinburgh) and...

Scope and Contents Letters from various observatories on filling vacancies, the construction of time balls at Sydney and New Brunswick (with a plan), and the establishment of new observatories at Nottingham, Bristol and other locations. The correspondents include J. Challis, Sir W. Denison, C.E. Trevelyan, J.R. Hind, R. Stephenson, C.P. Smyth, C. Pritchard and M.J. Johnson. There are also two reports on Liverpool Observatory, a paper on Brussels Observatory, and a piece from 'Le Moniteur Universel' on the...

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 Airy's miscellaneous correspondence with, among others, D.F.J. Arago, C. Babbage, G.P. Bond, J. Challis, A.R. Clarke, W. Cubitt, A. de Morgan, W. Denison, J.F. Encke, J.D. Forbes, J.G. Forchhammer, E. Gautier, B.A. Gould, P.A. Hansen, J.F.W. Herschel, G.B.I.T. Libri, G. Peacock, C. Pritchard, L.A. Quetelet, H.V. Regnault, the Earl of Rosse, G.S.G. Santini, H.C. Schumacher, P.A. Secchi, A. Sedgwick, R. Sheepshanks, W.H. Smyth, R. Stephenson, G.G. Stokes, W.S. Stratford, F.G.W. Struve, J....

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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 correspondence with, among others, J.C. Adams, W.C. Armstrong, J.B. Biot, G. Bishop, Mr Bloxam, A. Caswell, J. Challis, J. Cockle, A. d'Abbadie, W. Dension, A.A. De La Rive, W. De La Rue, A. de Morgan, R.L.J. Ellery, J.D. Everett, W. Fairbairn, J.D. Forbes, J.G. Forchhammer, A. Gautier, J.M. Gillis, B.A. Gould, R. Grant, J.F.W. Herschel, J.R. Hind, J. Lee, G.B.I.T. Libri, J.T. Littrow, E. Loomis, R. Main, W.H. Miller, O.M. Mitchel, F.N.M. Moigno, R. Murchison, G.E....

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....

Scope and Contents Airy's miscellaneous correspondence with, among others, F. Beaufort, J.B. Biot, G. Bishop, P.H.L. von Boguslowski, S.H. Christie, T.F. Colby, W. Cubitt, A. d'Abbadie, A. de Morgan, W. Denison, J.D. Forbes, C.L. Gerling, B.A. Gould, J.S. Henslow, J.F.W. Herschel, M.J. Johnson, P. Kelland, J. Lee, U.J.J. Le Verrier, Mr Manners, G. Peacock, C. Pritchard, L.A. Quetelet, the Earl of Rosse, E. Sabine, E.S.C. Santini, H.C. Schumacher, A. Sedgwick, R. Sheepshanks, W.H. Smyth, C.P. Smyth, R....

Scope and Contents Aiy's miscellaneous correspondence, letters A-K. The correspondents include, among others, J.C. Adams, F. Beaufort, J.B. Biot, G.P. Bond, J. Booth, R.C. Carrington, W. Cubitt, A. d'Abbadie, A. de Morgan, W. Denison, J.F. Encke, M. Faraday, J.D. Forbes, E. Frankland, J.E. Galle, A. Gautier, B.A. Gould, W.R. Hamilton, P.A. Hansen, C. Hansteen, J.F.W. Herschel, F.W.H.A. Humboldt, W.S. Jacob and M.J. Johnson. The papers include two newspaper cuttings, one on the death of Sir Francis Beaufort,...

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Airy's miscellaneous correspondence with, among others, J.B. Biot. C. Brooke, J. Challis, A. d'Abbadie, A. de Morgan, W. Denison, J.D. Forbes, J.P. Gassiot, B.A. Gould, J.F.W. Herschel, J. Hartnup, W. Lassell, J. Lee, U.J.J. Le Verrier, J.W. Lubbock, R. Main, Mr Manners, F. Maxwell, C. Pritchard, L.A. Quetelet, J.D. Runkle, P.A. Secchi, W.H. Smyth, F. Struve, C.B. Vignoles, G.H. Wiedemann, W. Whewell and Mr Whitbread. The papers include a notice of the death of L.A. Quetelet's wife.

Scope and Contents Works of scientific and academic interest, including papers on ancient eclipses of 776, 770 and 763 BC, and the 1521 AD eclipse; a printed appendix by the Revd John Chalmers on the 'Astronomy of the Ancient Chinese'; the path of the Thales eclipse; ancient dates derived from solstices and full moons; dates associated with Christ; 'Astronomical observations in the 15th century before Christ', from 'The Chronicle'; a piece on the landing of Caesar, from 'The Doncaster Gazette'; Airy's papers...

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Correspondence and papers concerning improvements in chronometers, concerned chiefly with E.T. Loseby's chronometer. The volume includes correspondence on Loseby's new time-keeper in the 'Journal of the Society of Arts'; a patent for his improvements; and printed correspondence on its claims. There is also a paper by E.B. Denison 'on some recent improvements in clock escapements'; pieces on G. Philcox and J. Ontan's escapements; and letters by F. Beaufort, F. Dent and W.H. Miller.

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Correspondence, computations and records of observations in regard to the correction of compasses on the iron ship 'Rainbow'. The correspondents include F. Baily, W.H. Barlow, W.H.M. Christie, W.T. Denison, G. Dollond, R. Fitzroy and W. Whewell. The papers include plans of the basin in Deptford Dockyard; 'graphical calculations of perturbations from assumed disturbing face of permanent magnets'; and observations of the dipping needle within and exterior to the ship.

Scope and Contents Miscellaneous correspondence and papers regarding engineering and new inventions. The correspondents include W. Cubitt, F. Bashforth, J.T. Chance, E. Sabine, M. Faraday, E. Hodgkinson, G. Peacock, W. Denison and W.H. Smyth. Many of the papers are printed, and some are pamphlets or circulars. The subjects include lights, logs, slide values, paddle wheels, cement and elliptographs. There are also calculations on the motion of a pendulum, the friction of ropes and a ship passing through...

Scope and Contents Works and correspondence on steam engines and propellers as used in sea-going vessels, including J. Seaward's accounts of the steam engine used for the frigate 'Gorgon' and its performance; R. Cunningham on rotary steam engine; writing on Hoseason's expansive gear in 'The United States Services Gazette'; a report on the Earl of Dundonald's rotary engine; diagrams on card of a revolution of the propeller shaft; plans of pistons; a paper by A.H. Renton, including drawings of economy of fuel on...

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Material concerning work with the Geodetic Zenith Sector for the trigonometrical survey of the United Kingdom. There are observations of stars with the zenith sector; papers on adjustments and equipment alterations to the instruments; sketches of instruments; zenith distances; proceedings of the Royal Astronomical Society; and a map of principal triangles in the United Kingdom. There is also correspondence with T.W. Colby, W. Denison, W. Yolland, W. Simms, J. Hornby and D.J.F. Arago.

Scope and Contents Material relating primarily to Airy's paper on Julius Caesar's invasion of Britain and his path through South-East England. Airy asserted that Caesar landed at Pevensey, but this was challenged in a paper by F.B. Martin, which stated that he landed near Ramsgate. There is considerable correspondence on this topic, with a nautical chart of the Dover Straits; a map of the Goodwin Sands; and the 'Proceedings of the Society of Antiquities'. Other subjects covered include the geography of the...

Scope and Contents Papers concerning tidal harbours, including the proceedings of the Commission on the State of Tidal Harbours; notices of the Commission's meetings; minutes of evidence before the Commission, including evidence from G. Stephenson, J.M. Rendel and W. Cubitt; a report by the Commissioners on the port of Hull; reports on Southwold harbour; R. Stevenson's report on the Tay navigation, with plans of proposed harbour and railway crossings; improvements to the Severn River; suggestions and...

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Correspondence and calculations concerning tides at Malta. The correspondents include W. Denison, F.A. Forel, F. Struve and H. Wild. There is also a nautical chart of Sicily and Malta, and a nautical chart of Valetta harbour.

Scope and Contents Airy's personal correspondence on scientific matters with, among others, F.W.A. Argelander, F. Beaufort, J.B. Biot, J.R. Hind, T. Brooke, R.C. Carrington, W. Cubitt, W. Denison, J.F. Encke, H.A.E.A. Fayé, J.D. Forbes, B.A. Gould, H. Goulbourn, J.A. Grunert, P.A. Hansen, S. Herbert, G. Fisher, U.J.J. Le Verrier, O.M. Mitchel, R. Owen, G. Peacock, C. Pritchard, K.L.C. Rümker, A. Sedgwick, R. Sheepshanks, W.H. Smyth, G.G. Stokes and W. Whewell. The papers include J.C. Adams' application for a...