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Schumacher, Heinrich Christian, 1780 - 1850 (astronomer)

 Person

Found in 24 Collections and/or Records:

 File

Cambridge observations, 1833 - 1837

Reference Code: GBR/0180/RGO 6/225
Scope and Contents Cambridge observations of the Sun, Moon and planets, including two books titled 'Calculations of Cambridge Observations of Sun, Moon and planets, 1833, 1834 and 1835'; correspondence with W.S. Stratford about rough geocentric places and an error in the ephemeris of Pallas; calculations of the Moon's diameter and the Moon's errors in longitude and ecliptic polar distance after correcting for error of diameter; sheets on the computation of the Moon's place from H.C. Schumacher's meridian...
Dates: 1833 - 1837
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
 File

Correspondence on comets, 1848 - 1852

Reference Code: GBR/0180/RGO 6/94
Scope and Contents Correspondence on comets observed between 1848 and 1852, including Graham's Comet (1849); Goujon's Comet (1849); Bond's Comet (1850); FayƩ's and Brorsen's Comet (1850); and Biela's Comet (1852). The correspondents include A. Graham, J.R. Hind, E.J. Cooper and H.C. Schumacher on ephemerides, observations, positions of comets and various texts. There are circulars from H.C. Schumacher, A.C. Peterson, P.A. Secchi and B.A. Gould, and the Cape of Good Hope observations of the Great Comet of 1843....
Dates: 1848 - 1852
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
 File

Correspondence on reductions, 1837 - 1849

Reference Code: GBR/0180/RGO 6/530
Scope and Contents Correspondence on the printing and distribution of planetary and lunar reductions. The correspondents include F.W. Bessel, F. Beaufort, H.C. Schumacher, J.F. Encke, W.S. Stratford and J.F.W. Herschel.
Dates: 1837 - 1849
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
 File

Correspondence on visitor admissions, 1835 - 1848

Reference Code: GBR/0180/RGO 6/706
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, and instructions to assistants to receive guests. The correspondents include C. Wood, F. Beaufort, J. Barrow, S.H. Herbert, H.T.C. Corry, H.G. Ward, R.S. Dundas, J.G. Children, C.W. Pasley, H.C. Schumacher, J.F. Encke, J.W. Lubbock, T. Henderson, W.R....
Dates: 1835 - 1848
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
 File

Correspondence on weights and measures, 1829 - 1848

Reference Code: GBR/0180/RGO 6/343
Scope and Contents General correspondence, letters J-Y, on proposals to reform or decimalise the standards of weights and measures. The correspondence takes the form of answers to questionnaires to respected parties and asks opinions on proposed improvements and on systems used abroad. There is also a pamphlet called 'The Mechanic and Chemist' and a poster on the 1845 law of weights and measures as applicable to Ireland. The correspondents include J.V. Lamont, the Earl of Liverpool, W.H. Miller, C.W. Pasley, R....
Dates: 1829 - 1848
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
 File

Discussion of star places, 1849 - 1855

Reference Code: GBR/0180/RGO 6/194
Scope and Contents 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.
Dates: 1849 - 1855
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
 Item

H.C. [Heinrich Christian] Schumacker, 1845

Reference Code: GBR/0180/RGO 96/16/2
Scope and Contents Photograph of an engraving by C. Baugniet based on an original painting. Captioned on reverse.
Dates: 1845
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
 Item

Improvements in the Nautical Almanac, 1819 - 1826

Reference Code: GBR/0180/RGO 14/22: 3-28
Scope and Contents From the Series: The first part of collection is comprised of papers concerning the internal affairs of the Board of Longitude, including the granting of awards, accounts, minutes, committee papers, petitions and memorials, the loan of instruments, publications and the payment of staff. These are followed by a wide range of papers relating to the Board's work, concerning clocks, chronometers and other instruments; longitude and latitude; magnetic variation; schemes and inventions; tables; pendulum experiments;...
Dates: 1819 - 1826
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
 Sub-Series

Miscellaneous correspondence, 1828 - 1847

Reference Code: GBR/0180/RGO 6/369
Scope and Contents Airy's miscellaneous personal correspondence, discussing, among other matters, minor planets, the health of friends, the distribution of scientific papers, and the Great Northern steamship. There is also a paper on progressive educational studies, an anti-German lampoon, and a whimsical engraving of people flying near Greenwich, c. 1840. The correspondents include J.H.V. Madler, O.M. Mitchel, W.H. Miller, A.C. Peterson, G.A.A. Plana, L.A. Quetelet, J.T.R. Robinson, the Earl of Rosse, K.L.C....
Dates: 1828 - 1847
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
 File

Miscellaneous correspondence, 1848

Reference Code: GBR/0180/RGO 6/370
Scope and Contents Airy's miscellaneous personal correspondence for 1848, including requests for clocks and nautical almanacs and an extract from a book by J.F.W. Herschel called 'Outlines of Astronomy'. The correspondents include J.B. Biot, J.D. Forbes, W.R. Hamilton, J.F.W. Herschel, O.M. Mitchel, G.A.A. Plana, L.A. Quetelet, H.C. Schumacher, H. Lloyd, W.H. Smyth, F.G.W. Struve and J.R. Young.
Dates: 1848
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
 File

Miscellaneous correspondence, 1849 - 1850

Reference Code: GBR/0180/RGO 6/371
Scope and Contents 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.
Dates: 1849 - 1850
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
 File

Miscellaneous correspondence, 1850

Reference Code: GBR/0180/RGO 6/372
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. Stephenson,...
Dates: 1850
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
 File

Miscellaneous correspondence, 1851

Reference Code: GBR/0180/RGO 6/373
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....
Dates: 1851
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
 Sub-Series

Miscellaneous correspondence, 1846 - 1897

Reference Code: GBR/0180/RGO 7/247
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. Challis,...
Dates: 1846 - 1897
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
 File

Observations and reports on solar eclipses, 1835 - 1847

Reference Code: GBR/0180/RGO 6/112
Scope and Contents Observations and reports on solar eclipses, dealing in detail with the eclipses of 11 May 1724, 15 May 1836, 7 July 1842 and 8 October 1847. There is a map for the 1724 eclipse, tracing the areas affected by the eclipse, and a French article by M. Arago on observations of the eclipse near Stonehenge. The material for the 1836 annular eclipse include a sketch of the apparent path of the Moon's centre over the Sun, articles by Airy and from Scottish newspapers, and T. Henderson's observations....
Dates: 1835 - 1847
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
 File

Official and scientific correspondence, 1823 - 1830

Reference Code: GBR/0180/RGO 6/803
Scope and Contents Airy's official and scientific correspondence, volume 1, including letters from Amici, Baily, Beaufort, Bouvard, Brewster, Carlini, Cerquene, Colby, Davy, Gambart, Garvey, Gilbert, Hamilton, Herschel, Hudson, Hussey, Jenkins, Lardner, Lax, Maclear, Pearson, Pond, Rigaud, Robinson, Rumker, Sabine, Sanchis, Schumacher, South, Stratford and Young, with an index to the correspondents at the end. There are a few letters in French and Italian.
Dates: 1823 - 1830
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
 File

Official and scientific correspondence, 1830 - 1832

Reference Code: GBR/0180/RGO 6/804
Scope and Contents Airy's official and scientific correspondence, volume 2, including letters from Arago, Auber, Baily, Barrow, Beaufort, Becker, Cooper, De Morgan, Encke, Forbes, Foster, Gambert, Gilbert, Gregory, Hamilton, Harcourt, Henderson, Herschel, Hudson, Hussey, Inman, Innes, Lax, Lubbock, Maclear, Princess Olive, Parrot, Pearson, Quetelet, Robinson, Schumacher, Sheepshanks, Stratford, Taylor, Tiarks and Tyson, with an index to the correspondents at the end. There are a few letters in French.
Dates: 1830 - 1832
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
 File

Papers on clock developments, 1844 - 1848

Reference Code: GBR/0180/RGO 6/586
Scope and Contents Correspondence with clockmakers and other papers concerning new clocks and improvements. There are papers on the Royal Exchange and Hamburg clocks; the rating of the Royal Exchange Clock for 1848; ratings of various chronometers; elasticity of balance springs; improved and new escapements; E.J. Dent's magneto-electric dial; and improved pendulums by J.G. Ulrich and E.T. Loseby. The correspondents include H.C. Schumacher, Lord Wrottesley, F. Beaufort and R. Sheepshanks.
Dates: 1844 - 1848
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
 File

Papers on geodetic surveys and longitudes, 1836 - 1848

Reference Code: GBR/0180/RGO 6/417
Scope and Contents Material concerning work on the geodetic surveys and longitudes in Britain, Europe and India. The papers include two maps of triangulations in Ireland (one on a smaller scale); a plan of principal triangles in Britain; a map of triangulations in Germany; a sketch of triangulations at Royston, Bedfordshire; calculations to find the latitude and longitude of Ben Lomond; triangulations in Scotland and on the Shetland Isles; disturbances of gravity of Shanklin Down, Isle of Wright, with a list of...
Dates: 1836 - 1848
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
 File

Papers on Neptune and the minor planets, 1834 - 1884

Reference Code: GBR/0180/RGO 6/96a
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...
Dates: 1834 - 1884
Conditions Governing Access: The volume is currently undergoing conservation work and is unavailable to readers, although a microfilm copy may be consulted.
 File

Papers on Royal Astronomical Society, 1835 - 1848

Reference Code: GBR/0180/RGO 6/230
Scope and Contents Miscellaneous papers relating to the Royal Astronomical Society, including notices of meetings; agenda for the Council meetings; balloting lists for officers; correspondence regarding the lecture on O. Struve's 'Etudes' and the Pulkova Observatory; the results derived from Cambridge observations of occultations, 1830-1835; correction to lunar elements from Greenwich observations, 1750-1830; a lecture upon Lord Rosse's and W. Lassell's telescopes; U.J.J. Le Verrier's paper on periodical comets;...
Dates: 1835 - 1848
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
 File

Papers on Royal Astronomical Society, 1849

Reference Code: GBR/0180/RGO 6/231
Scope and Contents Papers relating to the Royal Astronomical Society, including notices of meetings; agendas; an abstract from Sir John Herschel's paper 'On the determination of the most probable orbit of a binary star from the assemblage of a great number of observed angles of position'; a lecture on Bell's calculating machine; an addendum on Lord Rosse's telescope; a lecture on instruments adapted to the measurement of small zenith distances; a lecture on American transits; a clock with conical pendulum and...
Dates: 1849
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
 File

Theories of the Moon and planets, 1849 - 1852

Reference Code: GBR/0180/RGO 6/80
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...
Dates: 1849 - 1852
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
 File

Theories of the Sun, Moon and planets, 1835 - 1848

Reference Code: GBR/0180/RGO 6/79
Scope and Contents Theories and observation of the Moon, planets and satellites. There is correspondence on lunar theory, including letters from P.A. Hansen on his 'New Inequalities of the Moon'; letters from T. Henderson on errors in the calculations of J.K. Burckhardt for the Moon's diameter; and 'Extracts from Ephemeris of the Moon for the moment of the passage of her Centre, through the Meridian in Altona, calculated upon M. Damoiseau's Tables for every day of the year 1833'. The volume also includes...
Dates: 1835 - 1848
Conditions Governing Access: From the Management Group: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).

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