London
Found in 1992 Collections and/or Records:
Letter from Richard Judson to George Gilpin, 1805-01-12
Letter concerning his solution for finding longitude, in which Judson makes reference to [John] Harrison's timepiece.
Letter from Richard Judson to George Gilpin, 1806-08-14
Outlining his calculations for finding longitude; with traverse tables and a diagram.
Letter from Richard Judson to Nevil Maskelyne, 1803-08-20
Concerning Judson's three solutions for finding longitude: by the globe, by a projection outlined in the letter, and by the right angled triangle.
Letter from Richard Judson to Sir Philip Stephens, 1806-06-18
Concerning his solution for squaring the circle; with calculations and a diagram.
Letter from Richard Judson to Sir Philip Stephens, 1806-08-16
Letter containing tables and calculations which he thought were 'very great improvements in Navigation'.
Letter from Richard Judson to the Board of Longitude, 1803-08-22
Concerning corrections for errors he had observed in the tables in traverse sailing, and outlining his work on squaring the circle.
Letter from Richard Kitchin to [Harold] Parker, 1783-10-13
Letter seeking financial support to test a machine he had invented for determining longitude.
Letter from Robert Blair to Admiral John Campbell, 1790-02-07 - 1790-09-19
With a note from Campbell.
Letter from Robert Blair to Sir Harry Parker, 1786-02-06
Two letters.
Letter from Robert Brigham to the Board of Longitude, 1796-05-07
Outlining his method of finding longitude.
Letter from Robert Digby to the Board of Longitude, 1784-01-08
Enclosing an account concerning the going of a watch made by Kendall.
Letter from Robert Elliot to Sir Philip Stephens, 1783-07-31
With an index of names.
Letter from Robert Gillespie to George Gilpin, 1814-12-10
Two letters and a plan submitted by Gillespie to the Board of Longitude, with copies of two letters of reply from Thomas Hurd.
Letter from Robert Gillespie to the Board of Longitude, 1814-12-03
Two letters and a plan submitted by Gillespie to the Board of Longitude, with copies of two letters of reply from Thomas Hurd.
Letter from Robert Pringle to the Board of Longitude, 1813-07-19
Concerning a treatise by Don Antonio Maria Jaci.
Letter from Robert Pringle to the Board of Longitude, 1813-07-19 - 1814-02-03
The letter begins with a copy of Pringle's previous letter to the Board, dated 19 July 1813.
Letter from Robert Pringle to Thomas Hurd, 1814-07-30
Enclosing the letter from Jaci at [RGO 14/35: 526-527].
Letter from Robert Pringle to Thomas Hurd, 1814-06-05
Includes a letter and two printed papers from Jaci (of Messina), four letters written by Robert Pringle on his behalf, and copy replies from Thomas Hurd.
Letter from Robert Spencer to Peter Elmsley, 1799-06-04
Letter from Spencer, a librarian at the Literary and Philosophical Society in Newcastle upon Tyne, to Elmsley, a London bookseller, in which he outlines 'nautical theorems' for navigation which he wished to present to the public.
Letter from Robert Tucker to Dr Thomas Young, 1819-01-20
Four letters, a proposal and four colour star charts.
Letter from Robert Tucker to Dr Thomas Young, 1819-01-29
Four letters, a proposal and four colour star charts.
Letter from Robert Tucker to the Board of Longitude, 1819-01-26
Enclosing his proposed method for ascertaining longitude.
Letter from Robert Warter proposing to regulate chronometers by keeping them in the sea, 1783
With a related note.
Letter from S Blennerbarrett[?] to Maud Darwin née DuPuy; written at London, 1917-01-08
Letter from S Blennerbarrett[?] to Maud Darwin née DuPuy; written at London
(Letter)
Letter from S. Price to the Board of Longitude, 1825-08-27
Concerning his proposals on perpetual motion.