Showing Records: 1 - 25 of 140
File
Admiralty chronometers account book, 1821 - 1828
File
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).
Found in:
Cambridge University Library
File
Admiralty papers on chronometers, 1825 - 1830
File
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).
Found in:
Cambridge University Library
File
Admiralty papers on chronometers, 1822 - 1835
File
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).
Found in:
Cambridge University Library
File
'An Account of the going of Dr Maskelyne's new Chronometer N.309 made by Mr T. Earnshaw', 1799 - 1811
File
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).
Found in:
Cambridge University Library
File
Articles on time measurement, 1938 - 1967
File
Reference Code: GBR/0180/RGO 16/254
Scope and Contents
Reprinted articles and some additional papers, in English, French and German, on the measurement of time.
Dates:
1938 - 1967
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).
Found in:
Cambridge University Library
File
Astronomical enquiries, 1916 - 1936
File
Reference Code: GBR/0180/RGO 8/107
Scope and Contents
Miscellaneous astronomical enquiries to the Royal Observatory from members of the general public, firms, forces, ministries, councils, universities, societies, institutes, companies, etc., relating to the Moon, including its centre of gravity, phases, the 'Man in the Moon', times of the full Moon, new and harvest moons, longitude, lunar tables, tides and transits; the Sun, including sunspots, the solstice, the equinox, solar eclipses, times of sunrise and sunset, the seasons, the length of...
Dates:
1916 - 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).
Found in:
Cambridge University Library
File
Astronomical observations made at the Island of Barbados, 1763 - 1764
File
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).
Found in:
Cambridge University Library
File
Books on chronometer trials, 1770 - 1790
File
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).
Found in:
Cambridge University Library
File
Captain Cook's journal of voyage to the South Seas, 1776
File
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).
Found in:
Cambridge University Library
File
‘Centenary of the Greenwich Meridian’ stamps: two first day covers, 1984-06-26
File
Reference Code: GBR/0180/RGO 97/2-3
Scope and Contents
Two first day covers each bearing four stamps issued for the 1984 ‘Centenary of the Greenwich Meridian’. The stamps show: a view of the Earth from the Apollo 11 (16p), a navigational chart of the British Channel (20.5p), the Royal Greenwich Observatory (28p), and Sir George Airy’s Transit Circle (31p). The first set is on an envelope with a printed image of Flamsteed House; the second is on an envelope with a printed image of the Meridian.
Dates:
1984-06-26
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).
Found in:
Cambridge University Library
File
Chronometer audit papers, 1892 - 1912
File
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).
Found in:
Cambridge University Library
File
Chronometer comparisons, 1832 - 1833
File
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).
Found in:
Cambridge University Library
File
Chronometer ledger, 1807 - 1835
File
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).
Found in:
Cambridge University Library
File
Chronometer rates, 1823 - 1836
File
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).
Found in:
Cambridge University Library
File
Chronometer rates, 1840 - 1865
File
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).
Found in:
Cambridge University Library
File
Chronometer rates, 1866 - 1889
File
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).
Found in:
Cambridge University Library
File
Chronometer rates, 1889 - 1908
File
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).
Found in:
Cambridge University Library
File
Chronometer rates, 1908 - 1915
File
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).
Found in:
Cambridge University Library
File
Chronometer rates, 1888 - 1905
File
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).
Found in:
Cambridge University Library
File
Chronometer rates, 1893 - 1914
File
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).
Found in:
Cambridge University Library
File
Clock comparisons and time signals, 1924 - 1925
File
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).
Found in:
Cambridge University Library
File
Committee papers, 1783 - 1829
File
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).
Found in:
Cambridge University Library
File
Comparison of chronometers, 1773-05-30 - 1773-09-27
File
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).
Found in:
Cambridge University Library
File
Confirmed minutes, 1780 - 1801
File
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;...
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).
Found in:
Cambridge University Library
File
Correspondence on a quartz crystal clock, 1951
File
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).
Found in:
Cambridge University Library