London
Found in 1559 Collections and/or Records:
Letter from David Kirkpatrick to Captain Thomas Hurd, 1821-08-15
Letters relating to Kirkpatrick's new nonius for quadrants and an instrument to show the true distance in a lunar observation.
Letter from David Kirkpatrick to Dr Thomas Young, 1821-09-05
Letters relating to Kirkpatrick's new nonius for quadrants and an instrument to show the true distance in a lunar observation.
Letter from David Kirkpatrick to Dr Thomas Young, 1826-09-05
On finding the longitude by the moon's meridian altitude.
Letter from David Riz on a perpetual log, 1790-01-20
Letter to the Board of Longitude written on behalf of Mr Castriote of Portugal, who had invented a repeating or perpetual log and two further machines which he wished to present before the Board.
Letter from David Thomas concerning a timepiece with two springs, 1819-07-22
Sent to Dr Thomas Young.
Letter from Davies Gilbert to Dr Thomas Young, 1821
Concerning a letter received from Fearon Fallows at the Cape of Good Hope.
Letter from Davies Gilbert to Dr Thomas Young, 1822-09-03
Three letters.
Letter from Davies Gilbert to Dr Thomas Young, 1822-09-03
Three letters.
Letter from D.J. Thomson to John Wilson Croker, 1821-11-02
Originally enclosing the essay at [RGO 14/41: 160-168] which he had received from Hanover.
Letter from Don Antonio Maria Jaci to the Board of Longitude, 1814-07-26
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 Don Josef de Porras y Ruiz, 1783-08-18
Correspondence regarding the effects of magnetic variation on the mariner's compass, the use of magnetic variation to establish longitude and the cause of magnetic variation.
Letter from Dr Huet to the Board of Longitude, 1798-08-10
Concerning his ideas on the universe, the motion of the heavenly bodies, the currents, and various other subjects. Five letters, two papers and an abstract.
Letter from Dr Huet to the Board of Longitude, 1798-11-10
Concerning his ideas on the universe, the motion of the heavenly bodies, the currents, and various other subjects. Five letters, two papers and an abstract.
Letter from Dr Huet to the Board of Longitude, 1799-02-22
Concerning his ideas on the universe, the motion of the heavenly bodies, the currents, and various other subjects. Five letters, two papers and an abstract.
Letter from Dr Huet to the Board of Longitude, 1800-02-28
Concerning his ideas on the universe, the motion of the heavenly bodies, the currents, and various other subjects. Five letters, two papers and an abstract.
Letter from Dr Thomas Young concerning a paper on magnetism by Mr Harvey, 1823-05-18
Correspondence regarding the effect of magnetic variation on the mariner's compass, the use of magnetic variation to establish longitude and the cause of magnetic variation.
Letter from Dr Thomas Young to John Barrow, 1820-07-15
Concerning the establishment of the Cape Observatory and the appointment of an astronomer, an assistant and a labourer there.
Letter from Edward Chafe to Sir Harry Parker, 1785-03-12
Four letters, a proposal and drawings of globe instruments, submitted by Edward Chafe of Tarmoham, near Totness, Devon.
Letter from Edward Chafe to Sir Harry Parker, 1785-12-03
Requesting an answer on his proposal for longitude, which he says he had worked on for fourteen years.
Letter from Edward Chafe to Sir Harry Parker, 1785-12-10
Expressing his disappointment at the Board's rejection of his work.
Letter from Edward Chafe to Sir Harry Parker, 1786-07-04
Two letters.
Letter from Edward Chafe to Sir Philip Stephens, 1783-08-17
Two letters.
Letter from Edward Chafe to Sir Phillip Stephens, 1783-08-17 - 1783-09-23
Enclosing a copy of his proposal; see also [RGO 14/39: 33-34a].
Letter from Edward Elliot to Captain Thomas Hurd, 1818-05
Three letters.
Letter from Edward Elliot to Captain Thomas Hurd, 1818-05
Three letters.