Time measuring instruments
Subject
Subject Source: UK Archival Thesaurus
Found in 104 Collections and/or Records:
Series
Nathy O'Hora Papers, 1913 - 1927, bulk: 1946 - 2014
Series
Reference Code: GBR/0180/RGO 219
Scope and Contents
The Nathy O'Hora papers include the research, publications, and presentations of himself, others, and the RGO. This research notably includes eclipses, a topic to which O'Hora devoted considerable time after retiring. The collection also includes papers and correspondence relating to the Time Department where he worked, his notebooks on various scientific theories and practices, ledgers that he used to record weather data, newspaper clippings, and photographs.
Dates:
1913 - 1927; Majority of material found within 1946 - 2014
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
Naval captains' letters on chronometers, 1820 - 1831
File
Reference Code: GBR/0180/RGO 5/236
Scope and Contents
Letters from various naval captains, including R.C. Spencer, on the receipt of chronometers.
Dates:
1820 - 1831
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
Notebook of Joseph Lindley, 1785 - 1786
File
Reference Code: GBR/0180/RGO 4/327
Scope and Contents
The principal part of the notebook is a transcription of a pamphlet by T. Clapp, late Professor of Valo College, entitled 'Conjectures upon the Nature and Motion of Meteors &c', dated 1781, in which Clapp discusses the appearance, velocity, direction, noise, duration of visibility, frequency of appearance, apparent size and equivalent energy of the explosive concussion of meteors, together with the air resistance encountered by meteors and the conjecture that the flames from meteors are...
Dates:
1785 - 1786
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
Notes on Harrison's Timekeepers, 1937
File
Reference Code: GBR/0180/RGO 8/171
Scope and Contents
'Notes on the Ownership of John Harrison's Timekeepers', a 9-page typescript by R.T. Gould, dated at the end 10 May 1937.
Dates:
1937
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
Notes taken at the discovery of Mr Harrison's time-keeper, 1765
File
Reference Code: GBR/0180/RGO 4/152
Scope and Contents
Observations on the workings of John Harrison's time-keeper, in two parts.
Dates:
1765
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
Observations of John Crosley, 1801 - 1803
File
Reference Code: GBR/0180/RGO 4/186
Scope and Contents
Observations made by John Crosley on his voyage to New Holland (Australia) on board HMS Investigator to carry out surveying.
Dates:
1801 - 1803
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
Orders, 1884 - 1923
File
Reference Code: GBR/0180/RGO 7/24
Scope and Contents
(1) Financial orders, 1887-1923Orders and notices from the Astronomer Royal to Royal Observatory staff on the rate of pay for observing duties and overtime payments for extra computing, 1887-1912.Summary of payments made to computers during the years 1910-1923, and notice of the rates of pay for observing duties, 1910-1923.Orders and notes from the Astronomer Royal to Royal Observatory staff on the rates of pay for observing duties, 1905-1909.Orders and...
Dates:
1884 - 1923
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).
Series
Papers of the Board of Longitude, 1605 - 1830
Series
Reference Code: GBR/0180/RGO 14
Scope and Contents
The first part of collection is comprised of papers concerning the internal affairs of the Board of Longitude, including the granting of awards, accounts, minutes, committee papers, petitions and memorials, the loan of instruments, publications and the payment of staff. These are followed by a wide range of papers relating to the Board's work, concerning clocks, chronometers and other instruments; longitude and latitude; magnetic variation; schemes and inventions; tables; pendulum...
Dates:
1605 - 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).
File
Papers on chronometer trials, 1906 - 1916
File
Reference Code: GBR/0180/RGO 7/108
Scope and Contents
Correspondence and other papers relating to the annual trials of chronometers at the Royal Observatory:Correspondence with the Hydrographer of the Navy and internal memoranda concerning the results of the annual trial of chronometers, 1912-1913.Correspondence with trade journals concerning the publication of the results of the annual trial of chronometers, 1913.Correspondence with the Hydrographer of the Navy concerning the purchase of chronometers,...
Dates:
1906 - 1916
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
Papers on chronometers, 1922 - 1929
File
Reference Code: GBR/0180/RGO 7/263
Scope and Contents
(1) Miscellaneous papers, 1922-1929Papers from chronometer-makers and the public concerning the following subjects:1. The supply to the Royal Observatory of relays, batteries for time signals, non-magnetic watches, accumulators, carbon-dioxide gas and cylinders, ammeters, agate contact wheels, aerial protectors, thermostats, thermometers and magnets.2. Circulars for chronometers, oil, dry roll batteries and spare parts.3. Appointments to visit the Royal...
Dates:
1922 - 1929
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
Papers on chronometers and time signals, 1879 - 1880
File
Reference Code: GBR/0180/RGO 15/107
Scope and Contents
A volume entitled 'Chronometers Time Ball Reports 1879-1890', divided into four sections:'Chronometers - Admiralty': correspondence and other papers regarding the testing of chronometers at the Cape Observatory and the provision for ships, 1879-1890.'Time Signal. Simon's Town. Reports': written reports on the working of the Simon's Town Time Ball, showing when it failed or operated incorrectly and for what reason, 1882-1890.'Time Signal. Port Elizabeth. Reports of...
Dates:
1879 - 1880
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
Papers on clocks and chronographs, 1888 - 1911
File
Reference Code: GBR/0180/RGO 7/45
Scope and Contents
Correspondence with T. Lewis and E. Dent and Co. concerning repairs to clocks and correspondence with W.H. Shepherd, 1888-1889.Correspondence with Victor Kullberg concerning the tender for the supply of new electric dials and the repair of old ones, 1897-1899.Correspondence with clockmakers, principally V. Kullberg and Dent and Co., concerning repairs to Royal Observatory clocks and chronometers, 1901-1911.Internal memoranda on the subject of clocks, chronographs and...
Dates:
1888 - 1911
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
Papers on instruments, 1895 - 1926
File
Reference Code: GBR/0180/RGO 7/44
Scope and Contents
1. SpectroscopesVarious memoranda concerning spectroscopes, 1901-1925.1. 'Spectroscope', 21 September 1901.2. 'Spectroscope', 23 September 1901.3. 'Photographic Spectroscope', January 1900.4. 'Photographic Spectroscope', 14 October 1901.5. 'Christie's direct-vision "half prism" spectroscope'.6. 'Wave lengths of spectrum lines'.7. 'Standard Wavelengths', 1922 (printed).8. 'Report on Pure Carbon Electrodes', 1925.2....
Dates:
1895 - 1926
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
Papers on nautical travel, 1777 - 1828
File
Reference Code: GBR/0180/RGO 14/31
Scope and Contents
Soundings machines and ship's logs, etc.
Dates:
1777 - 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).
File
Papers on payments for Board work, 1766 - 1828
File
Reference Code: GBR/0180/RGO 14/17
Scope and Contents
Papers regarding payments for work done on behalf of the Board.
Dates:
1766 - 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).
File
Papers on quartz clocks, 1945 - 1963
File
Reference Code: GBR/0180/RGO 9/626
Scope and Contents
Correspondence and papers regarding quartz clocks, including the following items:Correspondence with M.L. Bateman and A. Hunter regarding the new the 'Isatome' portable quartz clock, 1963.Letter from H.M. Smith to the Division of Scientific Intelligence, Ministry of Defence, regarding Russian work on quartz clocks, 1957.Correspondence with H.M. Smith concerning the Time Department's move to Herstmonceux and the performance of ring crystals, including graphs,...
Dates:
1945 - 1963
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
Papers on the loan of instruments, 1766 - 1829
File
Reference Code: GBR/0180/RGO 14/13
Scope and Contents
Papers regarding the loan and return of instruments belonging to the Board of Longitude and concerning persons entitled to receive Board publications.
Dates:
1766 - 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).
File
Papers on TIM, 1936
File
Reference Code: GBR/0180/RGO 9/628
Scope and Contents
Correspondence and papers regarding TIM, the Post Office Speaking Clock, including a programme for the opening ceremony on 24 July 1936, a letter of thanks to H. Spencer Jones, a summary of the speech by the Postmaster General, and a description of the workings of the clock.
Dates:
1936
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
Papers regarding Arnold and Earnshaw's chronometers and claims for reward, 1783 - 1808
File
Reference Code: GBR/0180/RGO 14/25
Scope and Contents
From the Series:
The first part of collection is comprised of papers concerning the internal affairs of the Board of Longitude, including the granting of awards, accounts, minutes, committee papers, petitions and memorials, the loan of instruments, publications and the payment of staff. These are followed by a wide range of papers relating to the Board's work, concerning clocks, chronometers and other instruments; longitude and latitude; magnetic variation; schemes and inventions; tables; pendulum...
Dates:
1783 - 1808
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
Papers regarding the public trials and improvements of clocks and chronometers, 1779-1826, 1779 - 1826
File
Reference Code: GBR/0180/RGO 14/23
Scope and Contents
From the Series:
The first part of collection is comprised of papers concerning the internal affairs of the Board of Longitude, including the granting of awards, accounts, minutes, committee papers, petitions and memorials, the loan of instruments, publications and the payment of staff. These are followed by a wide range of papers relating to the Board's work, concerning clocks, chronometers and other instruments; longitude and latitude; magnetic variation; schemes and inventions; tables; pendulum...
Dates:
1779 - 1826
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
Papers regarding the public trials and improvements of clocks and chronometers, 1784-1828, 1784 - 1828
File
Reference Code: GBR/0180/RGO 14/24
Scope and Contents
From the Series:
The first part of collection is comprised of papers concerning the internal affairs of the Board of Longitude, including the granting of awards, accounts, minutes, committee papers, petitions and memorials, the loan of instruments, publications and the payment of staff. These are followed by a wide range of papers relating to the Board's work, concerning clocks, chronometers and other instruments; longitude and latitude; magnetic variation; schemes and inventions; tables; pendulum...
Dates:
1784 - 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).
File
Rates of chronometers, 1811 - 1836
File
Reference Code: GBR/0180/RGO 5/245
Scope and Contents
Accounts of rates of chronometers on trial at the Royal Observatory, 1822-1836, preceded by chronometer rates for 1811-1816.
Dates:
1811 - 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).
File
Rating of chronometers, 1875
File
Reference Code: GBR/0180/RGO 6/823
Scope and Contents
The rating of chronometers at Aden, Suez and Alexandria; calculations on the Alexandria-Berlin longitude; and errors of chronometers.
Dates:
1875
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
File
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
Remarks by chronometer-makers on Arnold's printed 'Explanation of Time Keepers', 1805
File
Reference Code: GBR/0180/RGO 14/26
Scope and Contents
From the Series:
The first part of collection is comprised of papers concerning the internal affairs of the Board of Longitude, including the granting of awards, accounts, minutes, committee papers, petitions and memorials, the loan of instruments, publications and the payment of staff. These are followed by a wide range of papers relating to the Board's work, concerning clocks, chronometers and other instruments; longitude and latitude; magnetic variation; schemes and inventions; tables; pendulum...
Dates:
1805
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).