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Longitude

 Subject
Subject Source: UK Archival Thesaurus

Found in 3 Collections and/or Records:

 File

Eclipses and longitude calculations, 1869 - 1876

Reference Code: GBR/0180/RGO 6/118
Scope and Contents Material concerning eclipses and calculations for longitude. The volume begins with the 1869 eclipse and includes a photograph, Professor Young's report and correspondence with L. Swift and B. Pierce. This is followed by material on the 1870 eclipse and computations for future eclipses in 1878, 1905, 1914 and 1954, and in 430, 674, 671 and 688 BC; maps for the 1875 eclipses; an article on future eclipses from 'The Times', 7 September 1871; and a piece on the 1724 total eclipse. There are six...
Dates: 1869 - 1876
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).
 Sub-Series

Papers on determining galvanic longitudes, 1878 - 1888

Reference Code: GBR/0180/RGO 6/640
Scope and Contents Correspondence and papers concerning proposals and operations to determine, with the assistance of the Royal Observatory, the longitude of Lisbon, Leiden, the Cape Observatory, Gibraltar, places in Australia, New Zealand and Egypt, and Mauritius; and the difference in longitude between Malta and Bombay. The papers include errors of the Greenwich clock; observations of telegraph signals; J.W. Green's abstract of the Greenwich - Lisbon - South American longitudes; the exchange and summary of time...
Dates: 1878 - 1888
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 longitude of Valentia, 1844

Reference Code: GBR/0180/RGO 6/183
Scope and Contents Observations of stars at Kingstown (DĂșn Laoghaire), Ireland, in conjunction with chronometer readings to find the longitude of Valentia (Valencia). There are also journals of the project by R. Sheepshanks and J.R. Hind, star catalogues for Kingstown, intervals of transit wires and corrections for collimation of the transit telescope. The chronometers used are numbers 1839, 2354 and 2388.
Dates: 1844
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).

The UK Archival Thesaurus has been integrated with our catalogue, thanks to Kings College London and the AIM25 project for their support with this.