Scope and Contents Correspondence with the Admiralty concerning money grants and salaries:Letters and a printed address to the Visitors regarding the need for a new south-east equatorial, 1855.Letter applying to the Treasury to allow the object glass of the new south-east equatorial to pass customs free of duty, 1857.Letters concerning the need to increase the Imprest Fund from £150 to £400, 1856.Letters concerning an increase in salary to the Astronomer Royal,...

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Miscellaneous astronomical methods, primarily to find longitude from hypotheses, sent in by various lesser scientists and navigators. The volume includes J. Gordon's nautical tables, correspondence with Sir F. Beaufort, E. and J. Riddle's 'longitude by double altitudes', J.S. Houston on quadrants and H. Breen's 'method for lunars'.

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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.

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Correspondence with the superintendents of computations on the progress and problems of planetary and lunar reductions. There is a report on the state of planetary computations, and a report on the state of lunar computations and the amount of work performed by individual computers. The superintendents are J.W. Thomas, R. Main and H. Breen. There are letters by J. Glaisher and G. Fisher.

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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 Miscellaneous correspondence regarding the Royal Astronomical Society, concerning the medals for 1837, 1842, 1844, 1845 and 1847; Mr Baily's death; a memoir of Mr Baily by Sir John Herschel; the election of a President in 1845; the Anniversary Dinner of 1845; the appointment of assistant secretaries; the grant of the interest of the Lee Fund to Mrs Pond in 1837; a booklet of the Charter and byelaws, 1844; De Vico's maps; Madame Witte's model of the Moon; Bessel's researches on Uranus; and...

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Letters sent to H. Breen and other computers giving instructions on planetary and lunar reductions, as well as requests for stationery and leave. Some of the correspondence has been removed. There is a Penny Black postage stamp on fo. 9r.

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Daily work records of computers and of E. Dunkin, H. Breen, H. Breen Jnr, R. Dunkin and T. Downs for work carried out on lunar reductions. The records include hours of attendance, the tasks performed, the quality of the computations and brief summaries of each year's work.

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Computations by H. Breen of the Greenwich planetary reductions for 1831-1835. The volume includes three copies of 'Appendix II Reductions of the Greenwich Planetary Observations'.

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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Lunar computations and tables, probably calculated by H. Breen. The volume includes works on parallactic inequality; tables for correcting and converting longitude and ecliptic north polar distance to right ascension and north polar distance; investigations, methods and computations in reducing observations of both limbs of the Moon; and solutions to lunar equations. The reductions relate to observations taken between 1751 and 1787. The volume is undated.

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Occasional orders to Assistants concerning H. Breen's eyesight, star catalogues, the zenith tube and the declination magnet, etc.

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'On the value of the Moon's semidiameter' by Hugh Breen, Appendix I to the Greenwich Observations, 1864. There are no publication details.

Scope and Contents Correspondence with A. Auwers, Berlin, concerning Groombridge's Catalogue, 1901-1903, including copies of papers sent to him and Greenwich north polar distance observations and reductions.Correspondence with Leopold Schulof, Paris, concerning catalogues and corrections, 1906-1908.Correspondence concerning observations of heliometer comparison stars, 1898-1901.Correspondence with Sir David Gill and H.H. Turner concerning the apparent rotation of bright stars with...

Scope and Contents Note on the history of Hardy's Clock, with a few words from J. Henry, 1854.Extract from 'Notes and Queries' about the publication of John Flamsteed's 'Historia Coelestis', 1856, and a letter to Airy regarding Flamsteed's works.List of assistants of Dr Nevil Maskelyne, sent to U.J.J. Le Verrier, 1858.Correspondence with Dr P.M. Roget, 1859, concerning the missing Minutes of the Board of Visitors preceding 1830.Extracts from 'Notes and Queries', 1860, relating...

Scope and Contents Correspondence and papers on magnetic disturbances, experiments and findings on magnetism, magnetic deviations and observations of magnetic phenomena. There are German circulars on magnetism by K.F. Gauss and W.E. Weber; tracings and description of the proposed magnetic observatory at Dublin; a magnetic chart of Scotland, 1836; observations of shifts in the magnetic and dipping needle; notices of magnetic disturbances; readings from the horizontal circle of the magnetic theodolite, the...

Scope and Contents Correspondence of G.B. Airy (including many copy letters) and related papers concerning planets, including circulars, ephemerides, observations, announcements of discoveries, discussion of names and requests for information. The papers are in English unless otherwise indicated. They are divided into seven sections, comprised of the following items:Fo. 1r: List of contents.Fo. 2: Blank.Fo. 3r: Short note regarding the binding of the papers.Section 1: Papers...

Scope and Contents Papers relating to the Royal Astronomical Society, including a galley proof of R. Sheepshanks' remarks on irradiation; a copy of a paper by S.M. Drach 'on the computation of ephemerises of the Moon'; a paper by Airy on the weights to be given to the separate results for terrestrial longitude determined by the observation of transits of the Moon and fixed stars; contributions to the annual report, 1850; a speech by Airy as President of the Royal Astronomical Society on delivering the medal to...

Scope and Contents Papers relating to the Royal Astronomical Society, including a paper by Airy on the origin of the apparent luminous band which in partial eclipses of the Sun has been seen to surround the visible portion of the Moon's limb; a note on the division of labour in the observation of small planets; a paper by Airy on the transit of Venus, 1882; a paper by Airy on a comparison of the Chinese record of solar eclipses in the Chun Tsew with the computations of modern theory; a paper by Airy on a...

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Reductions by H. Breen of observations made by James Bradley at the Royal Observatory during 1743-1750. The volume includes corrections of imperfect transits of stars, index errors of the iron quadrant, and computations for temperature.

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Reductions by H. Breen of observations made by James Bradley at the Royal Observatory during 1743-1750. The volume includes computations of Bessell's Table VIII, computations of correction to declination, and computations of A and log A.

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Reductions by H. Breen of observations made by James Bradley at the Royal Observatory during 1743-1750. The volume includes computations of precessions in right ascension and computations of the correction to the right ascension arc of Bessel's 36 stars.

Scope and Contents Theories and ancient observations of the Moon and planets, including Mr Templeton's computations of many numbers in the expansion of R; J.F. Encke's paper on a new method of computing planet perturbation; a portrait and map of the Moon, with papers relating to the theory of the Moon, including letters from P.A. Hansen; correspondence concerning an Admiralty grant to P.A. Hansen for the compilation of lunar tables, with a letter from H.C. Schumacher; a letter, in Italian, from E. Nascio...

Scope and Contents Theories of the Sun, Moon and planets, including investigations into and corrections of the semidiameters of the Sun, Moon and Venus; correspondence on the Moon's acceleration, with letters from J.C. Adams, C.E. Delaunay, P.A. Hansen, W. De La Rue, C. Pritchard and E.J. Routh; correspondence with C.E. Delaunay about the co-efficient of the principal time for expression of the Moon's latitude; correspondence on the transit of Venus, 1882, and the possibility of a transit of Mercury, 29...

Scope and Contents Theories of the Sun, Moon and planets, including letters from C.E. Delaunay on lunar acceleration; lunar theory and tables; an enquiry by Airy on the state of Delaunay's investigations after his death, with a letter of reply from A. d'Abbadie that includes a report on Delaunay's death; letters from J.C. Adams on some points of Delaunay's lunar theory; letters from M. Souillant on his theory of Jupiter's satellites; correspondence and calculations on the transit of Venus, 1882; a letter from...