London
Found in 1559 Collections and/or Records:
Letter from Arthur Hodge to Captain Thomas Hurd, 1814-06-17
Thanking him for putting his proposals before the Board of Longitude.
Letter from Arthur Hodge to Captain Thomas Hurd, 1814-11-28
Enclosing explanatory papers, tide tables, and a drawing of a 'marine watch' [RGO 14/39: 195].
Letter from Arthur Hodge to Captain Thomas Hurd, 1814-06-11
Enclosing a description and drawing of his 'dumb compass', with explanatory tables and charts.
Letter from Arthur Hodge to Captain Thomas Hurd, 1814-12-20
Providing an update on the progress of his work.
Letter from Arthur Hodge to the Board of Longitude, 1822-01-28
Enquiring whether he could submit a drawing and description of his invention of a perpetual log before the Board. He states that his log was 'of the most simple kind, cheap, easy and convenient', but first had to be regulated.
Letter from B. E. Burrile to George Gilpin, 1821-06-12
Concerning a telescope thought to have been used by Sir Isaac Newton.
Letter from Bartholomew de Sanctis to the Board of Longitude, 1825
Outlining the results of his experiments and observations. The letter is addressed from Portman Square; de Sanctis however remarks that he is ‘without home (sweet home!)’.
Letter from Bartholomew de Sanctis to the Board of Longitude, 1825-09-17
Concerning his observations on refraction and his new experiments on 'the fluid portable horizon'. Marked 'Third and last'.
Letter from Bartholomew de Sanctis to the Board of Longitude, 1825-09-03
Originally enclosing an article from an Italian journal on the Ephemeris of Venus.
Letter from Bartholomew de Sanctis to the Board of Longitude, 1825
Concerning 'Ludlan's method of taking double altitude of celestial beings' and also his own experiments.
Letter from Benjamin A. Austin to Dr Thomas Young, 1821-04-02
On finding longitude by an observation of the sun on the meridian, referenced with a timekeeper.
Letter from Benjamin Dawes to Nevil Maskelyne, 1789-05-30
Concerning whether his son Lieutenant William Dawes should return to England with the marine corps or remain at Sydney to continue his work at the observatory.
Letter from Benjamin Dawes to Nevil Maskelyne, 1789-06-09
Concerning his son's circumstances in New South Wales and the possibility of a salary for his work as Engineer and Officer of Artillery.
Letter from Benjamin Dawes to Nevil Maskelyne, 1789-07-20
Concerning a petition to compensate his son William Dawes for the work he had done as Engineer and Officer of Artillery in New South Wales, and a petition for leave of absence for him.
Letter from Benjamin Dawes to Nevil Maskelyne, 1789-08-01
Concerning his petitions on behalf of his son, William Dawes, in New South Wales.
Letter from Benjamin Dawes to Nevil Maskelyne, 1791-02-01
Thanking him for his assistance regarding his son, William Dawes and assuring him that the books and instruments would be brought back from Sydney on HMS Gorgon, which had just departed from Spithead with supplies. Dawes also discusses the shortage of food and clothing at the settlement, and recounts William's list of rations at the settlement, noting how they were cut after the loss of the Sirius.
Letter from Benjamin Pacey to the Board of Longitude, 1808-05-23
Offering assistance in determining longitude. Pacey states that he had found 'true time' and could 'start any machine in the kingdom by a perpetual motion to set itself at work and repeat itself without the assistance of any individual'.
Letter from Bingham Richards to Dr Thomas Young, 1826-08-04
With an index of names.
Letter from bookseller Mr Storey offering to sell Maskelyne's Greenwich observations, 1825-01-28
Sent to Dr Thomas Young.
Letter from C. Becher on a telescope for observing the eclipses of Jupiter's satellites, 1815-05-10
Letter from C. Ellis to Dr Thomas Young, 1783 - 1823
Marked 'June 10'.
Letter from [C. Gottlich Rudorf], 1799
With an index of names.
Letter from Caleb Hiller to Dr Thomas Young, 1819-02-12
Three letters, a proposal and a memorial.
Letter from Caleb Hiller to Dr Thomas Young, 1819-03-31
Three letters, a proposal and a memorial.
Letter from Caleb Hiller to Dr Thomas Young, 1819-03-31
Enclosing a plan for his 'mariner's theodolite' and related papers; see [RGO 14/38: 358-359] and [RGO 14/38: 360-361].