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Board of Longitude

 Organization

Found in 388 Collections and/or Records:

 File

Accounts of the Board of Longitude, 1982-11-04

 File
Reference Code: GBR/0180/RGO 35/179
Scope and Contents

A microfilm of parliamentary return for 'Sums expended on account of Board of Longitude 1781 to 1819', including 'Letters on the subject of the Longitude'.

Dates: 1982-11-04
 Item

Anonymous essay, 1700 - 1850

 Item
Reference Code: GBR/0180/RGO 14/40: 606-611
Scope and Contents

Essay outlining ideas on how the earth is organised 'by a constant circulation of a principle of vitality'.

Dates: 1700 - 1850
 File

Chronometer regulations, 1833 - 1844

 File
Reference Code: GBR/0180/RGO 6/574
Scope and Contents

Regulations regarding the loan and rating of chronometers. The volume includes a report of a committee of the Board of Longitude on this subject; regulations on accounts; publication of different chronometer ratings; and details of E.J. Dent's patent for improvements in chronometers and other timekeepers, with plans and drawings. The correspondents are J. Barrow, F. Beaufort, C. Wood, R. Sheepshanks, F. Molyneux and C. Frodsham.

Dates: 1833 - 1844
 Item

Copy of a letter from John Barrow, 1821-12-11

 Item
Reference Code: GBR/0180/RGO 14/48: 106
Scope and Contents

Forwarding a letter from Fearon Fallows at Cape Town to the Board of Longitude.

Dates: 1821-12-11
 Item

Copy of a letter from Joseph Shee of Seville to his son Joseph Shee (Junior) in Gibraltar, 1813-10-02 - 1813-10-06

 Item
Reference Code: GBR/0180/RGO 14/40: 445
Scope and Contents

Concerning his invention of an instrument for the discovery of 'the fixed point' of both latitude and longitude. The letter includes a petition which he asks Joseph to send on, requesting from the Government 'every privilege reserved to English meritorious subjects'. It also includes details of the instrument known as 'Shee's machine' or 'the instrument of fixed point' and establishes Shee as its inventor.

Dates: 1813-10-02 - 1813-10-06
 Item

Copy of a letter from the Board of Longitude to William Forder, 1810-06-09

 Item
Reference Code: GBR/0180/RGO 14/23: 253
Scope and Contents From the Item:

Four letters from Forder, with three copies of related letters sent by representatives of the Board of Longitude. Also, a plan by Forder for his improvement of timepieces.

Dates: 1810-06-09
 Item

Copy of a reply to David Kirkpatrick concerning his nautical improvements, 1821-08-17

 Item
Reference Code: GBR/0180/RGO 14/44: 209
Scope and Contents From the Item:

Letters relating to Kirkpatrick's new nonius for quadrants and an instrument to show the true distance in a lunar observation.

Dates: 1821-08-17
 Item

Copy of minutes of the Board of Longitude, 1811-03-07

 Item
Reference Code: GBR/0180/RGO 14/68: 39-40
Scope and Contents

Concerning Matthew Flinders' request that the whole of the astronomical observations from the voyage of HMS Investigator be recalculated.

Dates: 1811-03-07
 File

Correspondence, 1771 - 1811

 File
Reference Code: GBR/0180/RGO 4/314
Scope and Contents Various notes and letters.1. Letter from A. Sheppard, 12 February 1771, giving the dates of commencement of university terms.2. A balance of payments, 30 October 1810.3. Account between Maskelyne and the Board of Longitude, 6 October 1810.4. Note for Mrs Edwards, a comparer, relating to some observations.5. Dates on which pieces for the 1816 'Nautical Almanac' were received from the computers, 1810-1811.6. A letter to John Crosley, 15 October...
Dates: 1771 - 1811
 File

Correspondence on chronometers, 1920 - 1946

 File
Reference Code: GBR/0180/RGO 7/89
Scope and Contents Correspondence between the Hydrographer of the Navy, Sir Frank Dyson and Lieutenant-Commander R.T. Gould on the following subjects:1. The Astronomer Royal's permission for Gould to see the Board of Longitude papers.2. The preparation of Gould's book 'The Marine Chronometer'.3. The cleaning and repair of Harrison 1, 2, 3 and 4 by Gould, including a list of notebooks and papers relating to the Harrison chronometers which Gould presented to the National Maritime...
Dates: 1920 - 1946
 File

Correspondence on the Cape Observatory and Survey, 1855 - 1870

 File
Reference Code: GBR/0180/RGO 15/95
Scope and Contents A set of correspondence entitled 'Cape Observatory and Survey 1855 to 1870 July', divided into eight sections:General correspondence and papers regarding the Cape Observatory and Cape Survey, 9 April 1855 - 20 July 1870, comprised largely of correspondence between T. Maclear and G.B. Airy. There are letters regarding Encke's Comet; general reports on Observatory business; letters on the Cape Survey; a printed copy of 'Observations of Zenith Distances with the Transit Circle, 1855';...
Dates: 1855 - 1870
 File

Deductions from Bliss and Green's observations, 1762 - 1804

 File
Reference Code: GBR/0180/RGO 3/43/3
Scope and Contents

Mean time of the Moon's passage, with latitude and longitude, 30 August 1762 - 2 March 1765; apparent right ascensions of the planets, 29 August 1762 - 2 March 1765; and the daily rate of the transit clock, 27 August 1762 - 2 March 1765. There are also minutes of the Board of Longitude, 1 March 1804, relating to the publication of these observations.

Dates: 1762 - 1804
 Item

Drawing by Thomas Johnstone, 1808-03-03

 Item
Reference Code: GBR/0180/RGO 14/40: 300
Scope and Contents

Drawing of an instrument for ascertaining longitude at sea by observing the pointers of the Great Bear. Sent from Millton by Dumbarton.

Dates: 1808-03-03
 Item

Drawings of globe instruments from Edward Chafe, 1785-02-19

 Item
Reference Code: GBR/0180/RGO 14/39: 39-40
Scope and Contents

Two drawings of globe instruments for taking the latitude of the sun and stars, and for finding the longitude. One is made from three overlaid sheets which can be rotated.

Dates: 1785-02-19
 Item

Essay chapter in which Joseph Shee criticises the Board of Longitude, 1818

 Item
Reference Code: GBR/0180/RGO 14/40: 465-471
Scope and Contents The chapter is entitled ‘Of epochs and of the opposition made to them by such people as enjoy the title of Astronomers, when no Astronomy can be had out of them’. Shee is critical of the Board of Longitude and of their reception of his work, asking, for example, ‘Pray, who has authorised you to govern the Celestial Bodies’ [RGO 14/40: 466r] and comparing his own treatment by the Board to the ‘inhumane’ treatment received by Copernicus [RGO 14/40: 468r]. Marked ‘51’, the essay is numbered...
Dates: 1818
 Item

Essay chapter in which Joseph Shee criticises the Board of Longitude, 1818

 Item
Reference Code: GBR/0180/RGO 14/40: 471-478
Scope and Contents Shee outlines his encounters with the Board of Longitude from October 1816 and their treatment of him, which caused him to ask for the return of his papers despite being offered funds to continue with his work. He also discusses Harrison’s lunar observations and says that he had discovered that the lunar tables were founded upon an erroneous supposition which meant that longitude could not be determined by them [RGO 14/40: 474]. He refers to himself as ‘the only true longitude discoverer...
Dates: 1818

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