Schumacher, Heinrich Christian, 1780 - 1850 (astronomer)
Found in 24 Collections and/or Records:
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.
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.
Photograph of an engraving by C. Baugniet based on an original painting. Captioned on reverse.
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.
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.
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.
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.
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.