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Cambridge

 Subject
Subject Source: Local sources

Found in 2 Collections and/or Records:

 File

Papers on determining galvanic longitudes, 1852 - 1854

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Reference Code: GBR/0180/RGO 6/633
Scope and Contents Correspondence and papers concerning the use galvanic signals to determine longitude. The papers describe the attempts to establish the longitude of the Edinburgh, Oxford and Cambridge Observatories by observing set stars and taking the difference between the local time and the Greenwich Time received by telegraphic signal. Other centres included in the project, but not necessarily tested, were Liverpool, Dublin, Vienna, Bristol and Lowestoft. The papers include correspondence with C.P....
Dates: 1852 - 1854
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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Papers on magnetism, 1845 - 1861

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Reference Code: GBR/0180/RGO 6/694
Scope and Contents Correspondence and papers on magnetic disturbances, alleged new discoveries and theories, and experiments on magnetism. There are calculations for the mean declination of Greenwich, 1849; C. Hansteen's extensive magnetic observations at Christiana (Oslo), and a French paper by him on terrestrial magnetism; E. Sabine's remarks on W. De La Rue's diurnal magnetic theories; an unsigned manuscript on the magnetic disturbances of 24 September 1847 at the Royal Observatory; observations of...
Dates: 1845 - 1861
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).