Edinburgh
Found in 40 Collections and/or Records:
Computations, tables and observations, 1718 - 1767
Confirmed minutes, 1823 - 1829
Copy of a letter and proposal from George Lindesay, 1821-01-20
Sent to Vice-Admiral Sir William Hope.
Copy of a letter from Thomas Hurd to R. Paisley, 1815-03-03
Three letters.
Correspondence on terrestrial longitude, 1833 - 1848
Correspondence on time balls and signals, 1858 - 1860
Correspondence on time balls and signals, 1861 - 1866
Correspondence on time balls and signals, 1875 - 1878
Correspondence with telegraph companies, 1860 - 1866
Correspondence with William Mitchel on the question of remuneration for his work on an improved quadrant, 1765 - 1786
Miscellaneous petitions and memorials making requests of the Board of Longitude.
James Bremner on a new theory of magnetism, 1826 - 1828
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.
James Tait on a method of correcting the variation of the compass by means of Mica, 1820-04-04
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 D. Brewster to John Pond, 1818-01-22
Concerning Rev. Henry Liston.
Letter from George Douglas to George Gilpin, 1815-06-17 - 1815-07-07
With a copy of a reply from Thomas Hurd.
Letter from George Douglas to Nicholas Vansittart, 1814-10-01
Letter from George Douglas to Sir Harry Parker, 1795-05-05
Three letters.
Letter from J. Combre on an instrument for finding longitude, 1811-05-14
Letter from James Leslie to Dr Thomas Young, 1822-09-21
Two letters and a related paper.
Letter from John Dykes to Lord Melville, 1815-01-07
Concerning his claim to have discovered longitude and outlining his method.
Letter from John Merricks concerning his 'marine or floating sun dial', 1825-01-25
The letter includes a sketch of the instrument.
Letter from R. Paisley to George Gilpin, 1815-02-10
Three letters.
Letter from R. Paisley to the Board of Longitude, 1815-03-03
Three letters.
Letter from Robert Blair to Sir Harry Parker, 1786-02-06
Two letters.
Letter from Thomas Henderson to Dr Thomas Young, 1824-01-28
About forwarding a paper on occultations and longitude.
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'.