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Morgan, Augustus de, 1806 - 1871 (mathematician)

 Person

Found in 79 Collections and/or Records:

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Airy's early correspondence, 1819 - 1835

 File
Reference Code: GBR/0180/RGO 6/802
Scope and Contents

Airy's early correspondence, containing letters from Atkinson, Beddingfield, Buckle, Challis, Crawford, De Morgan, Drinkwater, Guest, Ibbotson, Keeling, Malkin, Marton, Myers, Robley, Rothman, Sutcliffe and Wright, with an index to the correspondents at the end.

Dates: 1819 - 1835
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Correspondence on academic works, 1847 - 1850

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Reference Code: GBR/0180/RGO 6/465
Scope and Contents Correspondence and papers on various academic works, including W.H. Stevenson's thoughts on hydrogen, gas and water; E.W. Brayley's injury to book bindings by gas; and R.S. Poole's places of the sun and moon's longitude in regard to ancient Egyptian chronology. There are papers by F. Coxworthy on the influence of electricity in regard to various scientific phenomena; M. Faraday's galvanic experiments; Airy's essays on the route of the Israelites during the Exodus; a small map of North Canada...
Dates: 1847 - 1850
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Correspondence on chronometers, 1849 - 1859

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Reference Code: GBR/0180/RGO 6/599
Scope and Contents Correspondence concerning the location, identity, rates and purchases of various chronometers. The volume includes repairs to and complaints with chronometer makers; requests for chronometers for D. Livingstone and the Oregon expedition; a list of chronometer makers; a paper, in French, by Messrs Delamarche and Ploix on the influence of the magnetism of ships on the rates of chronometers; J Hartnup's 'importance of testing chronometers before they are used at sea'; and notes on the...
Dates: 1849 - 1859
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Correspondence on chronometers, 1859 - 1865

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Reference Code: GBR/0180/RGO 6/600
Scope and Contents Correspondence on the workings of, repairs to, ratings of, and transactions involving chronometers. The volume includes papers on the Westminster Clock and Bell; addresses of chronometer makers; printed papers about Jurgensen and Sons, chronometer makers; new balance springs, 1859-1864; trials and ratings of chronometers for the Indian Store Department; a report on chronometers used aboard HMS 'Hecate'; and a letter by J. Rodwell Hux on the history of horology. The correspondents include...
Dates: 1859 - 1865
 Sub-Series

Correspondence on decimal coinage, 1846 - 1858

 Sub-Series
Reference Code: GBR/0180/RGO 6/349
Scope and Contents Correspondence on decimal coinage. The correspondents include Sir J.F.W. Herschel, J.G.S. Lefevre, Sir J.W. Lubbock, Professor W.H. Miller, the Revd G. Peacock, the Earl of Rosse, the Revd R. Sheepshanks, Lord Wrottesley and A. de Morgan. The papers include many printed documents on decimal coinage; weights and measures; the coinage of copper; questions asked by Lord Overstone to the Decimal Coinage Commissioners, with answers; a French paper on bronze money; and newspaper and magazine...
Dates: 1846 - 1858
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Correspondence on instruments, 1838 - 1849

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Reference Code: GBR/0180/RGO 6/159
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....
Dates: 1838 - 1849
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Correspondence on new techniques and discoveries, 1850 - 1851

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Reference Code: GBR/0180/RGO 6/163
Scope and Contents Correspondence concerning new techniques and discoveries, including O.M. Mitchel's method of recording transits and north polar distances; a paper on J. Locke's electro-chronograph for the House of Representatives; conducted experiments and newspaper articles; the velocity of the galvanic current through telegraph wires, from 'The Daily Evening Traveller'; a clock for uniform motion by W.H. Miller, with drawings; a paper by Sir W. Siemens, in French, on telegraphs; M.J. Johnson's heliometer;...
Dates: 1850 - 1851
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Correspondence on pure mathematics, 1865 - 1868

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Reference Code: GBR/0180/RGO 6/437
Scope and Contents Correspondence on pure mathematics and other subjects. The papers include correspondence with A. de Morgan on curves, infinity in mathematics and other theorems; theories of probability by J.V. Lamont; the riddle of the fifteen young ladies; writing by W.J.M. Rankine on the properties of curves; the proceedings of the Mathematical Society; logarithmic tables; algebraic and numerical theory of errors of observations; two proofs and a draft of Airy's 'Partial Differential Equations'; a paper...
Dates: 1865 - 1868
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Correspondence on pure mathematics, 1853 - 1854

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Reference Code: GBR/0180/RGO 6/430
Scope and Contents Miscellaneous correspondence and some related papers on pure mathematics and other subjects. The correspondents include, among others, E. Sabine, R. Mallet, H.A.E.A. FayƩ and E. Grey. The material covers investigations by A. de Morgan into series; consecutive fractions; laws of thought; the surface area of crumpled wire; a geometrical theorem; partial differential equations; the term 'probable area'; computations of the logarithm of m/n and e[Pi]and e2[Pi); squaring the circle; the movement...
Dates: 1853 - 1854
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Correspondence on Royal Astronomical Society, 1836 - 1848

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Reference Code: GBR/0180/RGO 6/229
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...
Dates: 1836 - 1848
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Correspondence on scientific institutes, 1850 - 1853

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Reference Code: GBR/0180/RGO 6/404
Scope and Contents

Correspondence concerning various scientific institutes, giving notification of rules, meetings, reports, agendas and other matters. The correspondents include M. Faraday, J.F.W. Herschel, Lord Rosse, W. Hopkins, W. Cubitt, E.W. Brayley, B. Disraeli, R. Sheepshanks, C. Pritchard, E. Sabine, Lord Wrottesley, A. de Morgan, R.I. Murchison, C.W. Dilke, J.A. Broun and T. Bell.

Dates: 1850 - 1853
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Correspondence on standards, 1858 - 1862

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Reference Code: GBR/0180/RGO 6/357
Scope and Contents Official and general correspondence on standards. The correspondents include Sir J.F.W. Herschel, Sir J.W. Lubbock, Professor W.H. Miller, W. De La Rue, A. de Morgan and General E. Sabine. The subjects covered include 'distribution of copies of the Accounts of Construction of the National Standards to the countries and institutions to which copies of the standards were sent' and 'payment of expenses for printing the Account of Construction of Standards'. There are printed papers, including...
Dates: 1858 - 1862
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Correspondence on standards, 1862 - 1865

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Reference Code: GBR/0180/RGO 6/358
Scope and Contents Official and general correspondence on standards. The correspondents include Sir J.F.W. Herschel, Sir J. Lefevre, J.W. Lubbock, Professor W.H. Miller, Lord Monteagle, the Earl of Rosse, Lord Wrottesley, W. De La Rue and A. de Morgan. The volume includes printed 'Notes for the Committee on Weights and Measures, 1862' by Airy; an Act for the amendment and consolidation of the Custom Tariff Acts; printed copies of letters and reports on standards; and newspaper cuttings on the question of...
Dates: 1862 - 1865
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Correspondence on the Groombridge Catalogue, 1809 - 1845

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Reference Code: GBR/0180/RGO 6/192
Scope and Contents Correspondence on the posthumous publication of the Groombridge Star Catalogue. The letters detail errors in Groombridge's stars, the production of a preface, the printing of the work and its distribution. The correspondents include Sir F. Beaufort, F. Baily, Sir J. Barrow, Sir C. Wood, T.F. Colby, T. Galloway, G. Peacock, Lord Wrottesley and A. de Morgan. The papers include a protracted argument between Sir J. South and Airy regarding the catalogue featured in 'The Times' in November 1838;...
Dates: 1809 - 1845
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Correspondence on the New Palace clock, 1857 - 1861

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Reference Code: GBR/0180/RGO 6/609
Scope and Contents

Correspondence concerning the clock for the New Palace at Westminster. The correspondents include A. de Morgan, J.F.W. Herschel, W. Whewell and F. Dent. The papers includes pages extracted from the 'Mechanics' Magazine'; pages and two diagrams extracted from 'The Builder'; a paper by E.T. Loseby 'on the Westminster Clock'; and a paper by W.L. Baker on 'the Great Bell of Westminster'. There are also several musical calculations of the notes made by the bell in the New Palace.

Dates: 1857 - 1861
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Correspondence on the Standards Commission, 1868 - 1871

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Reference Code: GBR/0180/RGO 6/361
Scope and Contents Correspondence relating to the work of the Standards Commission, consisting largely of notices, summons, circulars and agendas for the commission and enquiries on how the decimal monetary system would work. There is a paper by R. Richard on a new metric system, rough minutes of the Commission, and a cutting from the 'Daily Courier' on a metric system employed in a Liverpool warehouse. The correspondents include H. James, J.G.S. Lefevre, W.H. Miller, L. Mallet, J. Glaisher, J.F.W. Herschel,...
Dates: 1868 - 1871
 Sub-Series

Correspondence on transit of Venus, 1868 - 1878

 Sub-Series
Reference Code: GBR/0180/RGO 6/278
Scope and Contents Correspondence on instruments used in observing the transit of Venus. The correspondents include W.B. Birt, A.V. Auwers, A. de Morgan, W. De La Rue, W. Huggins, J.N. Lockyer, Miss Naylor, Mr Troughton and W. Simms. The papers include thermometer examination certificates issued by Kew Observatory; lists of instruments used in the transit of Venus observations; reports on the Altrincham (Naylor) and Hartwell (Lee) Equatorials; an illustrated single page catalogue of the theodolites made by Mr...
Dates: 1868 - 1878
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Correspondence on visitor admissions, 1835 - 1848

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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
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Correspondence on visitor admissions, 1849 - 1854

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Reference Code: GBR/0180/RGO 6/707
Scope and Contents From the Series: The collection contains papers relating to a wide range of subjects, including the Observatory buildings and grounds; Visitations; solar eclipses; other observatories; astronomical equipment and methodology; longitude; rainbow, pendulum and other experiments; the Royal Astronomical Society; the Railway Gauge Commission; the Sale of Gas Act; the Standards Commission; the Royal Society; scientific societies; geodesy; mechanics; chemistry, chronology, the tides; chronometers; galvanic...
Dates: 1849 - 1854
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Correspondence on visitor admissions, 1861 - 1866

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Reference Code: GBR/0180/RGO 6/709
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, including visits by Prince Arthur and Louis Phillipe d'Orleans; questionnaires for visitors; and instructions to assistants to receive visitors. The correspondents include J. Washington, G.H. Richards, W.G. Romaine, R. Grant, W. Thomson, J.R. Hind, W....
Dates: 1861 - 1866
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Correspondence on weights and measures, 1838 - 1848

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Reference Code: GBR/0180/RGO 6/342
Scope and Contents General correspondence, letters A-H, on proposals to reform or decimalise the standards of weights and measures. The correspondence takes the form of questionnaires to respected parties and asks opinions on proposed improvements. Those questioned include D.F.J. Arago, A.D. Bache, F.W. Bessel, S.H. Christie, T. Colby, W. Cubitt, A. de Morgan, M. Faraday, J. Field, W.H. Fitton, Sir W.R. Hamilton and T. Henderson. There are also newspaper extracts from 'The London Mercantile Journal and Weekly...
Dates: 1838 - 1848
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Correspondence with scientific societies, 1868 - 1873

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Reference Code: GBR/0180/RGO 6/413
Scope and Contents Correspondence with various scientific societies, with related papers. There are reports of the Alnwick Scientific and Mechanical Institution; several pieces in the 'Journal of the Society of Arts' relating to the Institution of Naval Architects; S. Birch's address to the Society of Biblical Archaeology; a review of the French Academy of Sciences and the Danish Society of Sciences; the proceedings of the Antwerp Geophysical Congress; the claim of the Scottish Meteorological Society to a...
Dates: 1868 - 1873
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Mathematical and other papers, 1849 - 1850

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Reference Code: GBR/0180/RGO 6/428
Scope and Contents Correspondence and papers on pure mathematics and other subjects, including A. de Morgan's thoughts on equations, area and probability; quadratic equations and the quadrature of a circle; J.W. Woollgar's use of the slide rule; J.D. Forbes on the probability of double stars, with an account in the 'Philosophical Magazine'; pendulum experiments by G.G. Stokes; Airy's report on sound navigation signals; a calculating machine; the properties of a circle; W.H. Smyth on the origin of the word...
Dates: 1849 - 1850
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Mathematical and scientific correspondence, 1862 - 1865

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Reference Code: GBR/0180/RGO 6/436
Scope and Contents Correspondence on mathematical and scientific matters, including the polyhedric fan by S.M. Drach; ways of finding the area and circumference of a circle; proof of roots of equations; papers for mathematics examinations at University College, London; convergent series by A. de Morgan; ancient Egyptian notations by C. Rodgers; methods of reduction for the Indian survey; the explosive power of steam boilers compared to gunpowder; a French astronomy and physics review; a paper by P.E. Chase on...
Dates: 1862 - 1865
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Mathematical theories and calculations, 1857 - 1858

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Reference Code: GBR/0180/RGO 6/433
Scope and Contents Correspondence on various mathematical theories and calculations, mainly pure, but some applied, and miscellaneous papers on scientific matters. The correspondents include, among others, A. de Morgan, C. Pritchard, P. Kelland, Mr Plarr, W.R. Hamilton, G.P. Bond, W.H. Miller, Lord Wrottesley, W. Whewell, J. Tyndall and J.C. Jamin. There are papers on the theory of probable errors; different forms of tabular interpolation; indirect demonstration; the quadrature of the circle; the political...
Dates: 1857 - 1858
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