Time measuring instruments
Subject
Subject Source: UK Archival Thesaurus
Found in 103 Collections and/or Records:
File
Reports on Royal Naval College chronometers, 1821 - 1834
File
Reference Code: GBR/0180/RGO 5/234
Scope and Contents
Lists of chronometers, 1821-1830, and of the mean daily rates of chronometers, 1830-1834, at the Royal Naval College, Portsmouth.
Dates:
1821 - 1834
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 and ratings of chronometers, 1822 - 1835
File
Reference Code: GBR/0180/RGO 5/239
Scope and Contents
Lists of chronometers deposited at the Observatory for trials, with the daily ratings of each piece, covering the periods 1822-1825 and 1832-1835.
Dates:
1822 - 1835
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
File
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).