London
Found in 1559 Collections and/or Records:
Letter from Captain Alexander Fraser to the Board of Longitude, 1806-09-19
Concerning Earnshaw's pocket chronometer No.462.
Letter from Captain Heywood to Dr Thomas Young, 1823-02-07
Concerning the retirement of astronomer Carl Rumker from the Parramatta Observatory, and seeking the approbation of the Board of Longitude in the hope of reinstating him.
Letter from Captain J. Hampstead to Sir Joseph Banks, 1806-08-09
Informing Banks of a number of discoveries he had made relative to navigation, including the invention of an instrument to determine both latitude and longitude at any time. He requests an interview to prove his discoveries 'by mathematical demonstration'.
Letter from Captain J. Hamstead to George Gilpin, 1809-08-19
Two letters.
Letter from Captain J. Hamstead to George Gilpin, 1809-12-05
Concerning his work on magnetism.
Letter from Captain James Bowen to Evan Nepean, 1796-02-10
Written in support of a timekeeper by Thomas Mudge put on board the HMS Glory.
Letter from Captain Thomas Hurd to Thomas Borrinsale, 1818-07-21
Three letters.
Letter from Captain William Bligh to Sir Harry Parker, 1790-10-27
Concerning the loss of a timekeeper which was left on board the HMS Bounty when the ship was pirated from his command.
Letter from C.G. Briscoe to Dr Thomas Young, 1820-06-10
Written on behalf of Sir Joseph Banks and concerning a chronometer by Thomas Cumming.
Letter from Charles Bagot to the Board of Longitude, 1822-09-13
Enclosing the letter from J. Riboult at [RGO 14/35: 409].
Letter from Charles Barton to Dr Thomas Young, 1823-08-21
An essay on his proposed method, with three related letters.
Letter from Charles Barton to [Dr Thomas Young], 1823-09-25
An essay on his proposed method, with three related letters.
Letter from Charles Blackburn to Dr Thomas Young, 1824-02-06
Four letters from Charles Blackburn of the Royal Naval College to Dr Thomas Young.
Letter from Charles Blackburn to Dr Thomas Young, 1824-04-06
Four letters from Charles Blackburn of the Royal Naval College to Dr Thomas Young.
Letter from Charles Blackburn to Dr Thomas Young, 1824-05-22
Four letters from Charles Blackburn of the Royal Naval College to Dr Thomas Young.
Letter from Charles Blackburn to Dr Thomas Young, 1824-06-29
Four letters from Charles Blackburn of the Royal Naval College to Dr Thomas Young.
Letter from Charles Clarke to Lord Howe, 1786-12-18
Two letters.
Letter from Charles Clarke to the Board of Longitude, 1787-06-07
Two letters.
Letter from Charles Davenport on a method of ascertaining longitude, 1804-11-28
Correspondence regarding miscellaneous schemes and inventions.
Letter from Charles Grosett to the Board of Longitude, 1796-11-16 - 1797-11-16
The letter begins with a copy of an earlier letter he had sent to the Board.
Letter from Charles Grosett to the Board of Longitude, 1796-11-16
Concerning an earlier letter he had sent which he presumed had miscarried.
Letter from Charles Hudson to Dr Thomas Young, 1824-11-25
Includes three letters from Hudson (with two duplicates) and related newspaper cuttings.
Letter from Charles Hudson to Dr Thomas Young, 1825-01-25
Includes three letters from Hudson (with two duplicates) and related newspaper cuttings.
Letter from Charles Hudson to Dr Thomas Young, 1825-08-23
Includes a colour illustration of a nautical instrument for ascertaining longitude.
Letter from Charles Hudson to the Board of Longitude, 1819-10-03
Outlining his proposals for determining longitude by the dip of the sun at noon. Also duplicate copy of the same. Both are witnessed by Thomas Gibson.