Longitude
Subject
Subject Source: UK Archival Thesaurus
Found in 4 Collections and/or Records:
File
Confirmed minutes, 1737 - 1779
File
Reference Code: GBR/0180/RGO 14/5
Scope and Contents
Minutes of Board of Longitude meetings regarding, among other matters, discussions on John Harrison's first marine chronometer (H1); the purchase of new instruments for work on the longitude and latitude of the coasts of Britain; improvements to the reflecting telescope; Tobias Mayer's lunar motion tables; the trial of John Harrison's chronometers; errors in the tables of the satellites; Schutz's machine for finding longitude; Chistopher Irwin's marine chair; the use of lunar observations...
Dates:
1737 - 1779
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
Lunar computations, 1750 - 1759
File
Reference Code: GBR/0180/RGO 4/85
Scope and Contents
Lunar computations for Charles Mason's new tables of 1772, covering the period 13 September 1750 to 31 December 1759. For each year there are remarks on the accuracy of the observations and computations.
Dates:
1750 - 1759
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
Lunar tables, 1778
File
Reference Code: GBR/0180/RGO 4/86
Scope and Contents
Lunar tables in longitude and latitude according to the Newtonian law of gravity, by Charles Mason, 1778. The volume includes a disapproval of Mason's fee from the Board of Longitude [RGO 4/86: 2]; an example of computing the Moon's longitude and latitude; annual equations of the Moon's anomaly and ascending node; and computed longitude and latitude compared with observed longitude and latitude, with corrections, 13 September 1750 - 2 November 1760 [RGO 4/86: 14r].
Dates:
1778
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
Mason's lunar tables, 1750 - 1779
File
Reference Code: GBR/0180/RGO 4/84
Scope and Contents
Part of the computations of Charles Mason's lunar tables of 1778, including comparisons of the tables of the Moon in longitude and latitude, with observations. The volume includes tables on the annual equation of the anomaly and ascending node of the Moon, details of the Moon's longitude, corrections and reductions. There are computations of the Moon's longitude and latitude as compared to Johann Mayer's tables, 1751-1760; computed longitude of the Moon compared with observed longitude,...
Dates:
1750 - 1779
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).