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Colby, Thomas Frederick, 1784 - 1852 (Major General, Director of Ordnance Survey)

 Person

Found in 12 Collections and/or Records:

 File

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
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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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
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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Miscellaneous correspondence, 1850

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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....
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).
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Miscellaneous receipts, 1821

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Reference Code: GBR/0180/RGO 14/21: 115-128
Scope and Contents

The receipts are principally for the transport of goods and coach hire.

Dates: 1821
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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Official and scientific correspondence, 1823 - 1830

 File
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).
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Papers on geodetic surveys and longitudes, 1836 - 1848

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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...
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).
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Papers on the Geodetic Zenith Sector, 1836 - 1846

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Reference Code: GBR/0180/RGO 6/416
Scope and Contents

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.

Dates: 1836 - 1846
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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Papers on the longitude of Valentia, 1836

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Reference Code: GBR/0180/RGO 6/182
Scope and Contents Material regarding preparations for the project to ascertain the longitude of Valentia (Valencia), Ireland, by means of an arc of parallel. The papers begin with correspondence with the Admiralty and Ordnance Survey, including S. Herbert, T.F. Colby, Captain Larcom and C.M. Pasley, and letters concerning arrangements for the transportation of chronometers. The correspondents on the project include Sir J. Barrow, Sir F. Beaufort, W. Cubitt, E. Dunkin, W.H. Smyth and S.H. Christie. The papers...
Dates: 1836
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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Papers on the tides, 1826 - 1848

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Reference Code: GBR/0180/RGO 6/500
Scope and Contents Correspondence on the tides, including calculations of tides at St Helena, Australia and in the River Shannon. The correspondents include J. Washington, J.D. Forbes, P.H.L. von Boguslawski, F.W. Beechy, F. Beaufort, W. Whewell, T. Colby, A. de Morgan, H. Raper, H.J. Rose, C. Manby, J. Challis, W. Vaughan and T.A. Larcom. There are also two maps of the River Shannon showing long-profile and cross-profiles; plans for tide gauges; a circular for Reed's Tide Tables; calculations of the time of...
Dates: 1826 - 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).
 Sub-Series

Papers on the tides, 1839 - 1844

 Sub-Series
Reference Code: GBR/0180/RGO 6/499
Scope and Contents Correspondence and observations of tides, including records of daily levels of tides; tide graphs; heights of high water marks; meteorological records; and notes taken daily at various coastal stations, including Deptford, Bristol, Southampton, Ipswich, Limerick and Dublin, tabulated and reduced, and often plotted on line graphs. There is also a coloured plan of a tide meter; C. Hopkin's hints and suggestions for a new theory of tides; J. Maxton's description of a self-registering...
Dates: 1839 - 1844
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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Proposals for railways, 1840 - 1848

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Reference Code: GBR/0180/RGO 6/448
Scope and Contents Correspondence and papers regarding proposals for railways, including a paper on the proposed Great Northern Junction Railway, with a map by J. Blackmore; an article in 'The Sun' on rail links with Dublin; papers on the Eastern Union Railway, with a map of rules in Eastern England; J. Rennie's report on the London and Norwich Direct Railway; the prospectus of the Direct Northern Railway Company; a survey of Steddale Tunnel by T. Colby; a report by F. Smith on atmospheric railways (1842); a...
Dates: 1840 - 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).
 Item

Report from Thomas Colby on Kerignan's tables, 1821-04-06

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Reference Code: GBR/0180/RGO 14/10: 7-8a
Scope and Contents

Letter to the Board of Longitude from Thomas Colby reporting on Kerignan's tables of trigonometrical values and other matters

Dates: 1821-04-06
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).

Additional filters:

Subject
Dublin 2
Geodesy 2
Longitude 2
Tides 2
Australia 1