London
Found in 1559 Collections and/or Records:
Lists of books required for the Cape Observatory, 1820
Observations and correspondence regarding miscellaneous astronomical matters.
Lockhart Leith's tables of artificial sines, tangents, secants, etc., 1824
Correspondence regarding various astronomical and nautical tables.
M. Warren on a theory that the magnetic needle is held on its meridian by the laws of gravity only, 1815-06-30
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.
Mark Watt on improvements in the construction of compasses, 1827
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.
Martin Colquitt on perpetual motion, 1826-02-01
Material on war damage, 1945
A manuscript regarding the bombing of London during 1940-1944, detailing the number of houses destroyed, people killed, bombs dropped, etc., and stating when the Royal Observatory was bombed. There is also a photograph of the damage incurred by the Observatory.
Memorandum from F.M. Fyot, 1785
Concerning his assertion 'that the earth does not turn around the sun'.
Memorial of John Patteshull concerning a mercurial hour glass, 1786
Two memorials.
Memorial of Rev. William Patsull concerning a sand hour glass, 1786
Two memorials.
Memorial of Samuel Ward Flinders, 1806-04
Sent to the Board of Longitude, concerning his role as astronomer on HMS Investigator.
Memorials from Michael Taylor asking for remuneration, 1783
Miscellaneous petitions and memorials making requests of the Board of Longitude.
Meteorological observations and papers, 1837 - 1848
Method of finding the longitude at sea by the horary angles of the sun and moon, 1818-05
Four letters and two methods submitted by Lieutenant George Lindesay of HMS Cherokee.
Miscellaneous meteorological papers, 1879 - 1897
Miscellaneous meteorological papers, 1884 - 1904
Monsieur de Lalande on tables he wishes the Board to purchase from him, 1790-10-20
Correspondence regarding various astronomical and nautical tables.
Monsieur Duhamel on an instrument for showing magnetic variation, 1820-05-15
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.
Mr Boner on an improved quadrant, 1789 - 1828
Mr Couroy on quadrate and tripartite of the circle, 1792-03-02
Mr Nugent's sextant and compass, 1793
Narrative of observations for ascertaining the longitude by a star, 1814-08-24 - 1814-10-14
Preceded by a copy of the same, and a cover note from Nicholas Vansittart to Captain Thomas Hurd.
Nicolai Henrich Jaeger on finding longitude by magnetic variation, 1823
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.
Note accompanying some papers by Monsieur le Roux, 1823-04-02
Note from Captain Thomas Hurd, 1815
Concerning the payment of £1,200 to [José de] Mendoza y Ríos for his successful labours and many useful improvements made in nautical astronomy.
Note from Captain Thomas Hurd concerning R. Boullanger, 1815
Includes an unrelated note relating to a payment of £1,200 to Mendoza y Ríos [RGO 14/38: 325].