Longitude
Subject
Subject Source: UK Archival Thesaurus
Found in 2 Collections and/or Records:
File
Letter book containing outgoing correspondence, 1782 - 1810
Reference Code: GBR/0180/RGO 14/9
Scope and Contents
Outgoing correspondence regarding many astronomical and nautical subjects, including accounts with printers, the production of the 'Nautical Almanac', expeditions to Australia, a reward for a method of making glass of a sufficient quality for instruments, the trial of various timepieces and their employment on board Royal Navy vessels, replies to projectors proposing various methods of finding longitude at sea, and instructions for astronomers (including William Gooch on board the Daedalus...
Dates:
1782 - 1810
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).
File
Nautical astronomy, 1770 - 1810
Reference Code: GBR/0180/RGO 4/196
Scope and Contents
A set of loose pages dealing with problems in ascertaining latitude and longitude at sea by observation of the stars, with descriptions, computations and formulae referred to apparent time. There are also sections on finding the Moon's longitude from the nautical ephemeris [RGO 4/196: 1r], the motion of the Sun's image in a Hadley quadrant [RGO 4/196: 2r], and the testing of other people's hypotheses.
It is not known if the papers are foliated in their original order.
Dates:
1770 - 1810
Conditions Governing Access:
From the Management Group:
Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).