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Time measuring instruments

 Subject
Subject Source: UK Archival Thesaurus

Found in 102 Collections and/or Records:

 File

Admiralty chronometers account book, 1821 - 1828

Reference Code: GBR/0180/RGO 5/240
Scope and Contents The Royal Observatory Admiralty chronometers account book recording payments made to chronometer makers.
Dates: 1821 - 1828
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).
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Admiralty papers on chronometers, 1825 - 1830

Reference Code: GBR/0180/RGO 5/230
Scope and Contents Admiralty papers sent to Pond concerning the fitting out of H M Ships with chronometers.
Dates: 1825 - 1830
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).
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Admiralty papers on chronometers, 1822 - 1835

Reference Code: GBR/0180/RGO 5/231
Scope and Contents From the Series: The collection contains a complete set of astronomical observation ledgers, with clock error notes, computation ledgers, star catalogues, weather records and correspondence. There are observations of comets, including measurements taken of Encke's Comet, 1828, and Halley's Comet, 1835, and observations of rockets, made with Sir James South in 1831. The papers include Pond's measurements for his work on the proper motions of stars, stellar parallax and other subjects, as well as substantial...
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).
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'An Account of the going of Dr Maskelyne's new Chronometer N.309 made by Mr T. Earnshaw', 1799 - 1811

Reference Code: GBR/0180/RGO 4/153
Scope and Contents Also contains results for 'A continuation of the trial of the late Dr. Postlethwaite's watch' from 12 August - 30 September 1799.
Dates: 1799 - 1811
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).
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Astronomical observations made at the Island of Barbados, 1763 - 1764

Reference Code: GBR/0180/RGO 4/323
Scope and Contents The log covers the period from 13 November 1763 - 15 August 1764, and includes observations of stars and planets and errors and adjustments to instruments and clocks. It mentions the arrival of John Harrison and his chronometers on board HMS 'Tartar' on 13 May 1764 [RGO 4/323: 15v], and includes ratings for these chronometers [RGO 4/323: 15v-16v]. The log also includes details of how and when the astronomer conveyed copies of his observations to Sir Philip Stephens, using different ships...
Dates: 1763 - 1764
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).
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Books on chronometer trials, 1770 - 1790

Reference Code: GBR/0180/RGO 4/312
Scope and Contents Nine exercise books bound together, containing the rating of chronometers and watches.
Dates: 1770 - 1790
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).
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Captain Cook's journal of voyage to the South Seas, 1776

Reference Code: GBR/0180/RGO 14/60
Scope and Contents Captain Cook's journal of his voyage to the South Seas, including observations of variation of the compass and observations for chronometer rates.
Dates: 1776
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).
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Chronometer audit papers, 1892 - 1912

Reference Code: GBR/0180/RGO 7/92
Scope and Contents Correspondence regarding the annual audit of the Royal Observatory chronometers and watches for the years 1892, 1893, 1894, 1909 and 1912. Each set of correspondence includes instructions restricting loans during the week preceding the audit, a list of chronometers absent for repair on the day of the audit, a list of makers' chronometers and their addresses, and a list of chronometers at the Observatory on the day of the audit. For 1892 there are also corrections to chronometer numbers and...
Dates: 1892 - 1912
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).
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Chronometer comparisons, 1832 - 1833

Reference Code: GBR/0180/RGO 15/142
Scope and Contents Thomas Henderson's comparisons of chronometers with the transit clock. There are also observations of Encke's Comet, times of flash of the evening gun, and weather observations.
Dates: 1832 - 1833
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).
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Chronometer ledger, 1807 - 1835

Reference Code: GBR/0180/RGO 5/238
Scope and Contents A chronometer ledger for 1807-1825, with three additional entries dated 1835. The ledger records the ship each chronometer was supplied to, the officer in charge of the chronometer, the dates it was lent and returned, and to whom it was returned.
Dates: 1807 - 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).
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Chronometer rates, 1823 - 1836

Reference Code: GBR/0180/RGO 7/97
Scope and Contents A printed account of the daily rates of chronometers on trial at the Royal Observatory between March 1823 and February 1836. All the years except 1834 are incomplete.
Dates: 1823 - 1836
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).
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Chronometer rates, 1840 - 1865

Reference Code: GBR/0180/RGO 7/98
Scope and Contents Printed accounts of the weekly sums of the daily rates of chronometers selected for purchase by the Admiralty and on trial at the Royal Observatory between August 1840 and August 1865, including an abstract of the principal changes of rate. The item for 1842 and 1843 includes an appendix to the report.
Dates: 1840 - 1865
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).
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Chronometer rates, 1866 - 1889

Reference Code: GBR/0180/RGO 7/99
Scope and Contents Printed accounts of the rates of chronometers on annual trial at the Royal Observatory with a view to purchase by the Admiralty, 1866 and 1887-1889.
Dates: 1866 - 1889
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).
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Chronometer rates, 1889 - 1908

Reference Code: GBR/0180/RGO 7/100
Scope and Contents Printed accounts of the rates of chronometers on annual trial at the Royal Observatory between the months of July to January in the years 1889-1904 and between June to January during 1904-1908, with a view to their purchase by the Admiralty.
Dates: 1889 - 1908
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).
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Chronometer rates, 1908 - 1915

Reference Code: GBR/0180/RGO 7/101
Scope and Contents Printed accounts of the rates of box and pocket chronometers on annual trial at the Royal Observatory during 1908-1914 with a view to their purchase by the Admiralty. There are annual rates for box chronometers during June-January and for pocket chronometers during August-November.

Printed account of the rates of box chronometers on trial at the Royal Observatory during June 1914 to January 1915 with a view to their purchase by the Admiralty.

Dates: 1908 - 1915
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).
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Chronometer rates, 1888 - 1905

Reference Code: GBR/0180/RGO 7/102
Scope and Contents Printed account of the rates of deck watches on annual trial at the Royal Observatory during November 1888 to February 1889 with a view to their purchase by the Admiralty.Printed accounts of the rates of deck watches on annual trial at the Royal Observatory between the months of October to February in the years 1889-1904 with a view to their purchase by the Admiralty.Printed accounts of the rates of deck watches on annual trial at the Royal Observatory during October 1904 to...
Dates: 1888 - 1905
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).
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Chronometer rates, 1893 - 1914

Reference Code: GBR/0180/RGO 7/103
Scope and Contents Printed account of the rates of chronometer watches and pockets chronometers on annual trial at the Royal Observatory with a view to their purchase by the Admiralty, 1914.Printed account of the rates of chronometers on annual trial at the Royal Observatory during July 1893 to January 1894 with a view to their purchase by the Admiralty.Printed accounts of the rates of chronometer watches on annual trial at the Royal Observatory during 1906-1913 with a view to their purchase by...
Dates: 1893 - 1914
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).
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Clock comparisons and time signals, 1924 - 1925

Reference Code: GBR/0180/RGO 8/155
Scope and Contents From the Series: The collection contains a wide range of papers relating to the activities of the Greenwich Observatory during Dyson's time in office, with some additional material from other periods. There is considerable material concerning the internal affairs of the Observatory, including its removal to Herstmonceux Castle, staff, instruments, visitors and Visitations, publications and garden parties. There are papers on the Cape Observatory and Nautical Almanac Office, as well other societies and...
Dates: 1924 - 1925
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).
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Committee papers, 1783 - 1829

Reference Code: GBR/0180/RGO 14/10
Scope and Contents Committee papers, relating chiefly to the measurement of ships' tonnage, and reports by the Astronomer Royal.
Dates: 1783 - 1829
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).
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Comparison of chronometers, 1773-05-30 - 1773-09-27

Reference Code: GBR/0180/RGO 4/154
Scope and Contents A comparison of Arnold, Kendall and Grignion's chronometers on board HMS Carcass.
Dates: 1773-05-30 - 1773-09-27
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).
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Confirmed minutes, 1780 - 1801

Reference Code: GBR/0180/RGO 14/6
Scope and Contents Minutes of Board of Longitude meetings regarding, among other matters, the rates of various chronometers; Charles Hutton's tables of products, powers and roots of natural numbers; the voyages of HMS 'Resolution' and HMS 'Discovery' and the examination of their log books; John Arnold's improvements to his watches; a suitable site for the Board of Longitude's instruments after the burning of the cupola of the Greenwich Hospital where they had been kept; improvements to reflecting telescopes; the...
Dates: 1780 - 1801
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).
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Correspondence on a quartz crystal clock, 1951

Reference Code: GBR/0180/RGO 9/125
Scope and Contents Correspondence regarding the disposal of a quartz crystal clock, which was removed from Germany after the Second World War as part of the German reparations.
Dates: 1951
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).
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Correspondence on chronographs, 1951 - 1953

Reference Code: GBR/0180/RGO 9/120
Scope and Contents Correspondence with the Etablissements Edouard Belin, Paris, regarding the Belin Printing Chronograph, including a report on the chronograph by H. Spencer Jones, 1953, and a 'Report on the Inspection Of The Observatory's Printing Chronograph at Establissement Belin At Paris' by J.D. Pope, 23 May 1952.
Dates: 1951 - 1953
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).
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Correspondence on chronographs, 1953

Reference Code: GBR/0180/RGO 9/95
Scope and Contents Correspondence with Sir Howard Grubb, Parsons and Co. Ltd and the Etablissements Edouard Belin regarding the Belin printing chronograph.
Dates: 1953
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).
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Correspondence on chronographs, 1938 - 1950

Reference Code: GBR/0180/RGO 9/112
Scope and Contents Correspondence regarding the Belin printing chronograph, 1950, and a copy of a letter from the Astronomer Royal to H. Wetzer, Germany, reporting on the performance of two chronographs, 1938.
Dates: 1938 - 1950
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).
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The UK Archival Thesaurus has been integrated with our catalogue, thanks to Kings College London and the AIM25 project for their support with this.