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Longitude

 Subject
Subject Source: UK Archival Thesaurus

Found in 2 Collections and/or Records:

 File

Papers on determining galvanic longitudes, 1870 - 1877

Reference Code: GBR/0180/RGO 6/639
Scope and Contents Correspondence and papers concerning proposals and operations to determine the longitude of Brest, Vienna, Berlin, Dublin (postponed), Suez and various places in India and Australia. There are Greenwich chronograph readings and signals exchanged for the Brest longitude; estimates for the erection of a wooden observatory building at the Royal Observatory; and explanations on how the fundamental longitude in India and Australia should be obtained. The correspondents include C.E. Delaunay, T.E.V....
Dates: 1870 - 1877
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).

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