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Dún Laoghaire

 Subject
Subject Source: Local sources

Found in 3 Collections and/or Records:

 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).
 File

Papers on the longitude of Kingstown and Valentia, 1844

Reference Code: GBR/0180/RGO 6/186
Scope and Contents

Comparison of chronometers in order to find the longitude of Kingstown (Dún Laoghaire), Ireland, and the difference in longitude between Kingstown and Valentia (Valencia). The chronometers used are 2300, 2388, 2354, 1839 and 'Southampton'.

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).
 File

Papers on the longitude of Valentia, 1844

Reference Code: GBR/0180/RGO 6/183
Scope and Contents

Observations of stars at Kingstown (Dún 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.