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Longitude

 Subject
Subject Source: UK Archival Thesaurus

Found in 3 Collections and/or Records:

 Sub-Series

Papers on determining galvanic longitudes, 1858 - 1859

Reference Code: GBR/0180/RGO 6/638
Scope and Contents Correspondence and papers regarding the determination of longitudes by means of telegraph. There are papers on the difference in longitude between Paris and Greenwich, with observations and transits for clock errors; U.J.J. Le Verrier's determination of the longitude of Le Havre; A. Loussedat's determination of the difference in longitude between Toulouse and Montpellier; the longitude of Glasgow; and the difference in longitude between Altona and Schwerin. There are also papers relating to the...
Dates: 1858 - 1859
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).
 Sub-Series

Papers on the galvanic longitude of Valentia, 1862

Reference Code: GBR/0180/RGO 6/637
Scope and Contents Correspondence and papers regarding the operation to discover the longitude of Valentia (Valencia), Ireland, by means of electric telegraph. The papers include correspondence on the project's requirements, preparations, arrangements and expenses; material produced during the earlier Ordnance Survey of the island, including tracings of the island and of Kingstown (Dún Laoghaire); papers on the loan of equipment; papers on the method of observation; E. Dunkin's daily journal kept during the...
Dates: 1862
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.