London
Found in 1975 Collections and/or Records:
Copy of a letter from Sir John Barrow to G. Davidson, 1819-06-29
Informing Davidson that his letter outlining his ideas on longitude had been laid before the Lord Commissioners of the Admiralty and was now being referred to Dr Young.
Copy of a letter from the Admiralty Office to Samuel Grimaldi, 1812-08-17
Ten letters from Grimaldi to Captain Thomas Hurd and the Board of Longitude, with two copy replies from the Admiralty Office and Hurd.
Copy of a letter from the Admiralty to Arthur Hodge, 1814-06-08
Acknowledging receipt of his letters and proposals but questioning their relevance to the longitude problem.
Copy of a letter from the Admiralty to Arthur Hodge, 1814-06-13
Acknowledging receipt of his letters and stating that his proposals had to be examined by the Board before any advance payment would be made.
Copy of a letter from the Admiralty to David Kirkpatrick, 1814-03-10
Concerning Kirkpatrick's 'artificial horizon' instrument.
Copy of a letter from the Board of Longitude to William Forder, 1810-06-09
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.
Copy of a letter from Thomas Hurd to Alex Witherspoon, 1813-12-10
Two letters from Witherspoon and three copy replies from Captain Thomas Hurd.
Copy of a letter from Thomas Hurd to Henry Browse, 1813-11-16
Six letters; includes a letter from the Board of Longitude to Browse outlining their objections to his plan.
Copy of a letter from [Thomas Hurd] to John McGhie, 1813-12-08
Letters and a plan from McGhie, a surgeon on HMS Bustard (includes some duplicates); with two copy replies from the Board of Longitude.
Copy of a letter from Thomas Hurd to John McGhie, 1813-11-10
Letters and a plan from McGhie, a surgeon on HMS Bustard (includes some duplicates); with two copy replies from the Board of Longitude.
Copy of a letter from Thomas Hurd to R. Boullanger, 1815-01-26
Includes an unrelated note relating to a payment of £1,200 to Mendoza y Ríos [RGO 14/38: 325].
Copy of a letter from Thomas Hurd to R. Boullanger, 1815-03-03
Stating that the Board of Longitude had not approved his method of ascertaining longitude.
Copy of a letter from Thomas Hurd to R. Paisley, 1815-03-03
Three letters.
Copy of a letter from Thomas Hurd to Robert Gillespie, 1815-03-03
Two letters and a plan submitted by Gillespie to the Board of Longitude, with copies of two letters of reply from Thomas Hurd.
Copy of a letter from Thomas Hurd to Robert Gillespie, 1814-12-19
Two letters and a plan submitted by Gillespie to the Board of Longitude, with copies of two letters of reply from Thomas Hurd.
Copy of a letter from Thomas Hurd to Samuel Grimaldi, 1812-12-04
Ten letters from Grimaldi to Captain Thomas Hurd and the Board of Longitude, with two copy replies from the Admiralty Office and Hurd.
Copy of a letter from Thomas Hurd to William Forder, 1810-06-09
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.
Copy of a letter from Thomas Hurd to William J. Titford, 1814-03-05
Concerning a chart for finding longitude and a method of finding longitude by two proportional quadrants. Includes a letter of recommendation from the passengers and crew of HMS York where Titford's chart for longitude was tested on a voyage to Jamaica in 1813, as well as latitude and longitude figures from a voyage of HMS Mary Ann to Jamaica in 1822.
Copy of a letter from Thomas Hurd to William J. Titford, 1815-06-05
Concerning a chart for finding longitude and a method of finding longitude by two proportional quadrants. Includes a letter of recommendation from the passengers and crew of HMS York where Titford's chart for longitude was tested on a voyage to Jamaica in 1813, as well as latitude and longitude figures from a voyage of HMS Mary Ann to Jamaica in 1822.
Copy of a letter from Thomas Hurd to William J. Titford, 1813-12-10
Concerning a chart for finding longitude and a method of finding longitude by two proportional quadrants. Includes a letter of recommendation from the passengers and crew of HMS York where Titford's chart for longitude was tested on a voyage to Jamaica in 1813, as well as latitude and longitude figures from a voyage of HMS Mary Ann to Jamaica in 1822.
Copy of a letter from Thomas Kerigan to John Wilson Croker, 1825-07-16
Five letters from John Barrow concerning various matters, with a copy of a letter from Thomas Kerrigan, forwarded by Barrow to Dr Thomas Young.
Copy of a letter from William Mitchel to Sir Harry Parker, 1787-02-26
The original letter is at [RGO 14/36: 7-8].
Copy of a letter from William Wales to John Daly, 1797-03-15
Written in reply to the letter at [RGO 14/38: 215-218].
Copy of a letter to Charles Young from Captain Thomas Hurd, 1817-06-26
Two letters from Young to Captain Thomas Hurd concerning the deposit of his papers on a chronometer with the Board of Longitude. With two copy relies from Hurd.
Copy of a letter to Charles Young from Captain Thomas Hurd, 1817-12-10
Two letters from Young to Captain Thomas Hurd concerning the deposit of his papers on a chronometer with the Board of Longitude. With two copy relies from Hurd.