Skip to main content

Cambridge University Libraries are providing a blend of online and controlled in-person services. Please see our website for more details.

Time measuring instruments

 Subject
Subject Source: UK Archival Thesaurus

Found in 3 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 [RGO...
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

Rating of longitude watches on HMS Adventure, 1772

Reference Code: GBR/0180/RGO 4/322
Scope and Contents 'Account of the going of the two longitude watches on board His Majesty's sloop, the Adventure Captain Furneaux Commander bound towards the South Seas.' Only two pages of the account and the front cover survive. The rating of the watches covers the period 13-29 July 1772.
Dates: 1772
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

Trials of Harrison's chronometers, 1766 - 1771

Reference Code: GBR/0180/RGO 4/311
Scope and Contents Observations and comparisons during the trials of John Harrison's chronometers (H1, H2, H3 and H4) and Kendall I, with mean solar time, 1766-1767, and the rating of the Royal Observatory transit clock, 1771. The volume is comprised largely of tables of measurements, with some descriptions of how the results were achieved.
Dates: 1766 - 1771
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).

The UK Archival Thesaurus has been integrated with our catalogue, thanks to Kings College London and the AIM25 project for their support with this.