Sheffield
Subject
Subject Source: Local sources
Found in 6 Collections and/or Records:
File
Correspondence on observations given, 1889 - 1907
File
Reference Code: GBR/0180/RGO 7/181
Scope and Contents
Correspondence concerning observations given to the Northern Rifle Association, U. Levau, Mr Spencer, A. Stubbs, J. Franz, H.P. Slade, Mr MacKenzie, Mr Jackson, Mr Dawes and Mr Hutchinson, 1889. The topics include the Sun's position at Wimbledon; Vesta, 1887-1888; the azimuth of the Sun and Moon in west London; sunrise near Paris; the full Moon, January and February 1891; observations of a lunar crater; measures of Mars and Saturn; an equation of time; the meeting of Mars and Saturn; and the...
Dates:
1889 - 1907
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
Correspondence on time balls and signals, 1870 - 1875
File
Reference Code: GBR/0180/RGO 6/617
Scope and Contents
Correspondence and related papers on the time signal and time ball service, including the failures of the Greenwich time signal; requests for information on time balls; the establishment of time balls or guns at Queenstown, Sheffield, Bristol and Manchester; a paper by S.P. Langley 'On the Allegheny system of electrical time signals'; experiments with the Post Office chronopher; corrections and errors of the Post Office and Westminster clocks; the system of operation employed by the London...
Dates:
1870 - 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
Correspondence regarding time signals, 1879 - 1893
File
Reference Code: GBR/0180/RGO 7/253
Scope and Contents
Miscellaneous correspondence regarding the following subjects:Telegraphs announcing errors and failures in the time signal, 1879-1880.Complaints about the time signal sent to Glasgow, the General Post Office and Portsmouth, 1880-1881.T. Lewis and W.H.M. Christie on the correction of the mean solar clock and errors in the 10 o'clock signal, 1884.Explanation by W.H. Preece to H.H. Turner that the failure of the time signal is due to poor batteries,...
Dates:
1879 - 1893
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
Letter from William Coldwell to Captain Thomas Hurd, 1815-02-27
Item
Reference Code: GBR/0180/RGO 14/55: 38
Scope and Contents
From the Sub-file:
With an index of names.
Dates:
1815-02-27
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).
Item
Letter from William Cooper on his water perambulator for finding longitude, 1788-07-14
Item
Reference Code: GBR/0180/RGO 14/44: 76-78
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:
1788-07-14
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
Letter from William Cooper to the Board of Longitude, 1788-07-27
Item
Reference Code: GBR/0180/RGO 14/40: 519-20
Scope and Contents
Concerning his method of determining longitude by observing a class of flower which opens and shuts consistently at a particular time of day.
Dates:
1788-07-27
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).