London
Found in 51 Collections and/or Records:
Letter from R. Nelson to George Gilpin, 1806-09-20
Concerning Earnshaw's pocket chronometer No.462.
Letter from R. Nelson to George Gilpin, 1806-12-19
Concerning Earnshaw's pocket chronometer No.462.
Letter from R. Paisley to George Gilpin, 1815-02-10
Three letters.
Letter from Richard Judson to George Gilpin, 1803-03-01
In which Judson outlines his proposal for finding longitude and also claims to have squared the circle.
Letter from Richard Judson to George Gilpin, 1804-03-01
Outlining his solution for finding longitude, with diagrams.
Letter from Richard Judson to George Gilpin, 1804-05-10
Outlining his solution for finding longitude, with diagrams.
Letter from Richard Judson to George Gilpin, 1804-08-26
Concerning his solution for finding longitude and squaring the circle; with diagrams.
Letter from Richard Judson to George Gilpin, 1804-08-30
Concerning his solution for finding longitude and squaring the circle; with a diagram.
Letter from Richard Judson to George Gilpin, 1804-10-11
Concerning his solution for finding longitude; with diagrams.
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 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 Samuel Bream to George Gilpin, 1799-11-02
Concerning his invention of a telescope for determining the latitude at sea.
Letter from Samuel Ward Flinders to George Gilpin, 1808-05-21
Concerning a reward of £200 which he had been offered by the Board of Longitude in return for making observations while on board HMS Investigator.
Letter from Sir Joseph Banks to George Gilpin, 1805-07-09
Five letters.
Letter from The Chevalier de Souza Couttinho to George Gilpin, 1808-01-30
With an index of names.
Letter from W.H. Mallison to George Gilpin, 1810-06-05
Enclosing the letter at [RGO 14/36: 212-213].
Letter from William Chapman to George Gilpin, 1800-03-03
Concerning his book of observations.
Letter from William Hardy to George Gilpin, 1805-10-10 - 1805-10-18
Four letters and an account of the rates of Hardy's clock.
Letter from William Hardy to George Gilpin, 1807-05-12
Four letters and an account of the rates of Hardy's clock.
Letter from William Hardy to 'John' [George] Gilpin, 1807-01-08
Four letters and an account of the rates of Hardy's clock.
Letter from William Harvie to George Gilpin, 1804-04-13
Concerning his method of determining longitude, which he called 'Longitude discovered by an Observation of the Sun'. Harvie mentions that he had been a master in the merchant service and was in the navy, but was now 76 years old and 'an old worn out seaman'.
Letter from William Marsden to George Gilpin, 1805-03-07
Enclosing a plan for the trial of timekeepers, see [RGO 14/23: 6-10].
Letter to Lieutenant Colonel Edward Ferguson, 1806-06
Draft of a letter from [George Gilpin?] informing Ferguson that the Board would not meet again before that December and that they did not offer advance sums of money without first being convinced of the value of a proposal.
Note from Joseph Manton to George Gilpin, 1807-03-05
Note and letter.