Colby, Thomas Frederick, 1784 - 1852 (Major General, Director of Ordnance Survey)
Found in 12 Collections and/or Records:
Correspondence on the Groombridge Catalogue, 1809 - 1845
Correspondence on weights and measures, 1838 - 1848
Miscellaneous correspondence, 1850
Miscellaneous receipts, 1821
The receipts are principally for the transport of goods and coach hire.
Official and scientific correspondence, 1823 - 1830
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.
Papers on geodetic surveys and longitudes, 1836 - 1848
Papers on the Geodetic Zenith Sector, 1836 - 1846
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.
Papers on the longitude of Valentia, 1836
Papers on the tides, 1826 - 1848
Papers on the tides, 1839 - 1844
Proposals for railways, 1840 - 1848
Report from Thomas Colby on Kerignan's tables, 1821-04-06
Letter to the Board of Longitude from Thomas Colby reporting on Kerignan's tables of trigonometrical values and other matters
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- Dublin 2
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- Longitude 2
- Tides 2
- Australia 1
- Ben Lomond 1
- Bristol 1
- Deptford 1
- Germany 1
- India 1
- Ipswich 1
- Ireland 1
- Limerick 1
- Menai Strait 1
- Metrology 1
- Railway transport 1
- Royston 1
- Saint Andrews 1
- Scotland 1
- Shanklin 1
- Shannon 1
- Shetland 1
- Southampton 1
- Tees 1
- Valencia Island 1 + ∧ less