Board of Longitude
Found in 388 Collections and/or Records:
Note from Thomas Earnshaw to the Board of Longitude, 1803-03-17
Oath tendered to Arnold and Earnshaw on divulging their plans to the Board, 1805-12-12
Observations on Mr Mudge's application to parliament for a reward for his timekeepers, 1793
Includes accounts of the rates of his chronometers Green and Blue, as tried at the Royal Observatory, reports outlining objections to his petition, and seven letters.
Observations on the mysteries of longitude, 1818-07-16
Includes an explanatory sketch of his chart and time pieces.
Paper on a new log invented by Francis Higginson, 1828
In which Higginson outlines how the log was an improvement over existing instruments, and provides details of how to use it. Originally enclosed in the letter from Higginson to the Board at [RGO 14/31: 271-272]
Paper on chronometer error caused by iron in ships, 1820
Submitted by George Fisher for consideration by the Board of Longitude.
Papers of the Board of Longitude, 1605 - 1830
Papers on Government superintendence, 1830 - 1848
Papers on the Observatory's history, 1862 - 1909
Papers on the Royal Society, 1764
Petition by William Butler to the Board of Longitude, 1787
Three letters, a proposal and a subsequent petition to the Board.
Petition from John Tulloch regarding improvements in navigation, 1799-12-07
Miscellaneous petitions and memorials making requests of the Board of Longitude.
Petition from John Turner regarding forms for working lunar observations, 1813
Miscellaneous petitions and memorials making requests of the Board of Longitude.
Petition from schoolmaster, Joseph Tolson, 1785-01-03
Requesting the protection of the Board against theft by his ex-pupils of his method of taking lunar observations.
Petition of Lieutenant Samuel Ward Flinders, 1812-12-02
Sent to the Board of Longitude, concerning observations made on a voyage of HMS Investigator.
Petitions from William Storer, 1788 - 1789
Requesting the setting up of a committee to enquire into the merits of his invention.
Petitions, memorials and correspondence relating to Earnshaw's reward claims, 1791 - 1808
Philosophical observations by Henry Croaker, 1819-09-09
Set of philosophical observations relating to the longitude problem. Includes a drawing and calculations.
Plan for finding longitude, 1799 - 1801
Sent by Charles Moody for consideration by the Board of Longitude.
Plan for finding longitude, 1802-03
Sent by Charles Moody for consideration by the Board of Longitude.
Printed copy of questions proposed by the Board of Longitude to Mr Arnold, 1805
With his answers to the same.
Proposal by Matthew Flinders, 1811-03-07
Proposal sent to the Board of Longitude concerning the recalculation of astronomical observations from the voyage of HMS Investigator.
Proposal by Rev. William Butler, 1785
Three letters, a proposal and a subsequent petition to the Board.
Proposal by William Nicholson concerning his sliding scale for computing longitude, 1786-01-20
Correspondence regarding miscellaneous schemes and inventions.
Proposal from Antonio Maria Jaci, 1786-05-27
Letters, proposals and a printed paper from Jaci (in Italian); with a related letter from Joseph Banks to Harry Parker. Includes drawings of clepsydra [RGO 14/38: 25-26] and [RGO 14/38: 63-65].
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