Harrison, John, 1693 - 1776 (horologist)
Person
Found in 37 Collections and/or Records:
Item
Notes on the discovery of Mr Harrison's time-keeper, 1765
Reference Code: GBR/0180/RGO 4/152: 4-7
Scope and Contents
Prose notes describing the workings of the time-keeper, with comments on making adjustments to it and on its accuracy.
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
Notes taken at the discovery of Mr Harrison's time-keeper, 1765
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).
Item
Observations of the going rates of the two timekeepers, 1772-07-10 - 1775-07-30
Reference Code: GBR/0180/RGO 14/59/3: 1a-12r
Scope and Contents
Daily observations of the going rate of the two watches during the voyage, with signatures from each of the three keyholders, William Wales, Captain James Cook, and First Lieutenant Robert Palliser Cooper (sometimes signed instead by Charles Clerke, Joseph Gilbert, or Richard Pickersgill). The rates are recorded alongside the temperatures inside and outside the cabin and comments on any difficulties with proceeding, and on periodic comparisons made between the watches and either the...
Dates:
1772-07-10 - 1775-07-30
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 on HMS Resolution, 1772 - 1775
Reference Code: GBR/0180/RGO 14/59
Scope and Contents
Observations made on board HMS Resolution during her passage to the South Seas on the expedition led by Captain James Cook.
Dates:
1772 - 1775
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 Royal Society soirees, 1876 - 1912
Reference Code: GBR/0180/RGO 7/242
Scope and Contents
(1) Correspondence and papers regarding Royal Society soirees, 1900-1912Request for names of Royal Observatory assistants of six years' standing, 1900-1901.Papers relating to soiree exhibits and the preparations to present the exhibitions, 1900.Requests to present a soiree on the forthcoming solar eclipse, 1905.Covering papers and lists of solar transparencies, 1906.Request for names of Royal Observatory assistants of six years' standing,...
Dates:
1876 - 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).
File
Papers on the loan and return of property, 1875 - 1927
Reference Code: GBR/0180/RGO 7/69
Scope and Contents
Correspondence and other papers regarding the loan and return of property belonging to the Royal Observatory:Correspondence concerning the loan and return of Observatory instruments, both to institutions and to private individuals such as E. Knobel, Sir George Airy, Captain Abney and others, 1875.Correspondence concerning the photographs sent by the Astronomer Royal to the Potsdam Photographic Exhibition, 1886.Correspondence concerning the loan to Captain W.J....
Dates:
1875 - 1927
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 Royal Astronomical Society, 1957 - 1963
Reference Code: GBR/0180/RGO 9/600
Scope and Contents
Correspondence and papers regarding the Royal Astronomical Society, including agenda and minutes of meetings of committees and the Council; officers' reports; notices and programmes for ordinary meetings; correspondence on speakers and club guests; material concerning papers to be read or refereed; correspondence concerning grants for travel, publications and research; and correspondence regarding the arrangements for lectures given by the Astronomer Royal. The papers include the following...
Dates:
1957 - 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).
Item
Payment to Admiralty Clerks for copying the minutes re. John Harrison, 1773-07-03
Reference Code: GBR/0180/RGO 14/18: 245-246
Scope and Contents
From the File:
Papers regarding payments for work done on behalf of the Board, including some miscellaneous receipts.
Dates:
1773-07-03
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).
Item
Remarks made by John Brockbank, 1805
Reference Code: GBR/0180/RGO 14/26: 39-56
Scope and Contents
Printed paper by Arnold with annotations by Brockbank. The paper is preceded by related correspondence between Brockbank and Sir Joseph Banks [RGO 14/26: 40-41].
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).
Item
Rough notes on the workings of Mr Harrison's time-keeper, 1765
Reference Code: GBR/0180/RGO 4/152: 1-3
Scope and Contents
These include queries made by Maskelyne to John Harrison, with notes on Harrison's replies. The notes were numbered by Maskelyne for subsequent reordering.
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).
Item
Trials of H4 and K1 and K3, 1770 - 1776
Reference Code: GBR/0180/RGO 4/312: 1-33
Scope and Contents
Comparison of Harrison 4 and Kendall I from 19 March 1770 until 15 February 1773, when Kendall I was not used. John Arnold's watch was used as a comparison from 27 July to 13 December 1774, and Kendall I was used once more from 1 August 1775. The Harrison 4 observations end on 1 September 1775. Kendall I and III are compared for 22 April - 11 June 1776.
Dates:
1770 - 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).
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).
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