London
Found in 1999 Collections and/or Records:
Diary, 1951
Diary, 1952
Diary, 1953
Diary, 1954
Diary, 1955
Diary, 1956
Diary, 1957
Diary, 1958
Donald Macniel on perpetual motion by steel springs, 1815 - 1816
Draft letter from [Henry Kater] to John George Hartley, 1821-09-06
Three letters from Hartley, with two related letters from John Barrow and [Henry Kater].
Draft of a letter from Nevil Maskelyne to the Royal Society concerning the inadequacy of the equatorial sector for observing comets, 1770-07-12
Draft of a letter from the Board of Longitude to Henry Browse, 1813
Outlining the Board's objections to his machine for ascertaining longitude by the ship's distance.
Draft of a letter from Thomas Hurd to R. Boullanger, 1815
Includes an unrelated note relating to a payment of £1,200 to Mendoza y Ríos [RGO 14/38: 325].
Draft of a letter from Thomas Hurd to Sir Joseph Banks, 1818-11-05
Three letters.
Drawing by Thomas Johnstone, 1808-03-03
Drawing of an instrument for ascertaining longitude at sea by observing the pointers of the Great Bear. Sent from Millton by Dumbarton.
Drawings of globe instruments from Edward Chafe, 1785-02-19
Two drawings of globe instruments for taking the latitude of the sun and stars, and for finding the longitude. One is made from three overlaid sheets which can be rotated.
Dudley Adams on perpetual motion, 1827-06
Duplicate of a letter from Charles Hudson to Dr Thomas Young, 1824-11-25
The original letter is at [RGO 14/37: 328-331].
Duplicate of a letter from Charles Hudson to Dr Thomas Young, 1825-01-25
The original letter is at [RGO 14/37: 340-343].
Duplicate of a letter from John McGhie to the Board of Longitude, 1813-10-10
For another copy of this letter, see [RGO 14/38: 270].
Edward Burrough's general epistle, Gatehouse Prison, Westminster, 1661, 1661
The epistle was apparently unpublished, this being a c18th century copy - there is another copy in the Library of the Society of Friends, Port.31.56.
Edward Jones on perpetual motion, 1811-11-29
Edward Naylor on the variation of the compass, 1815 - 1828
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.