London
Found in 1559 Collections and/or Records:
Letter from William Butler to Sir Harry Parker, 1785-10-03
Three letters, a proposal and a subsequent petition to the Board.
Letter from William Butler to Sir Harry Parker, 1787-02-15
Three letters, a proposal and a subsequent petition to the Board.
Letter from William Chapman to George Gilpin, 1800-03-03
Concerning his book of observations.
Letter from William Chevasse to Captain Thomas Hurd, 1813-05-28
Enclosing the paper at [RGO 14/36: 49-51].
Letter from William Coldwell to Captain Thomas Hurd, 1815-02-27
With an index of names.
Letter from William Coombe to the Board of Longitude, 1783 - 1784
Two letters.
Letter from William Coombe to the Board of Longitude, 1799-12-03
Two letters.
Letter from William Cooper on his water perambulator for finding longitude, 1788-07-14
Letter from William Cooper to the Board of Longitude, 1788-07-27
Concerning his method of determining longitude by observing a class of flower which opens and shuts consistently at a particular time of day.
Letter from William Cragg to Andrew Aiken, 1819-06-16
Eight letters from Cragg concerning his proposal for finding longitude by a ship's reckoning using a compass and charts, without the assistance of celestial lights or books of calculation. Includes charts for sailing [RGO 14/39: 53] and [RGO 14/39: 68v].
Letter from William Cragg to Andrew Aiken, 1819-07-26
Concerning longitude and enclosing a chart.
Letter from William Cragg to [Andrew Aiken], 1820-04-27
Concerning his theories on finding longitude.
Letter from William Cragg to Dr Thomas Young, 1820-08-12
Originally enclosing papers on finding longitude.
Letter from William Cragg to Dr Thomas Young, 1821-09-06
Outlining his proposals for finding longitude and enclosing a chart.
Note: folios 67-69 were originally bound in the wrong order and should be read 69, 67-68.
Letter from William Cragg to Dr Thomas Young, 1828-05-20
Proposing the use of a mechanical apparatus which could be 'affixed' to a ship to measure its progress, with the distance travelled then used to determine longitude.
Letter from William Cragg to Lord Melville, 1818-08-10
Includes a chart to work out latitude or longitude at sea from any place.
Letter from William Cragg to the Board of Longitude, 1821-09-07
Requesting permission to use the observatory at Greenwich.
Letter from William Dawes to Nevil Maskelyne, 1786-12-28
Concerning the rate of the Board of Longitude's watch and the provision of books and instruments.
Letter from William Dawes to Nevil Maskelyne, 1787-01-16
Concerning the rate of the Board of Longitude's watch; the provision of books; the testing of instruments intended for the observatory; the discovery of damage to a sextant; and his request for an advance of a year's subsistence.
Letter from William Dawes to Nevil Maskelyne, 1787-01-10 - 1787-01-19
Requesting the advance of a year's subsistence and his request to be appointed to the land service at Botany Bay; also enclosing a copy of a letter from Lord Howe about his appointment.
Letter from William Dawes to Nevil Maskelyne, 1787-01-21
Concerning a letter from Lord Howe about his appointment to Botany Bay, and his objections to being placed in the marine detachment of HMS Sirius rather than in the land service.
Letter from William Dawes to Nevil Maskelyne, 1787-01-25
Concerning a fault in the sextant and requesting a replacement instrument; also concerning his desire to be placed in the land detachment.
Letter from William Dawes to Nevil Maskelyne, 1787-02-08
Concerning repairs to a sextant by Mr Ramsden and supplies for the observatory.
Letter from William Dawes to Nevil Maskelyne, 1787-02-18
Concerning a replacement sextant and black index glass from Ramsden.
Letter from William Dawes to Nevil Maskelyne, 1787-03-20
Concerning supplies of instruments and other preparations.