Digital Maps and Geospatial Data | Princeton University
Ordnance Survey of Ireland[sheet 20]
- Great Britain. Ordnance Survey
- [Mountjoy House, Dublin] : Ordnance Survey Office, [1858-1862]
- Relief shown by shading, hachures and spot heights. Ordnance survey of Ireland on the scale of one inch to a mile issued in outline as quarter sheets. Sheets show place names, water, bog, bridges, roads, principal buildings, woods, orchards, demesnes, trigonometric stations and altitudes, boundaries of parishes, baronies and counties, indices to adjoining sheets and to the Six Inch maps. All sheets carry blind tool stamp "Ordnance Survey of the British Isles, Ireland" depicting the escutcheon of the ordnance Survey with three cannon balls above three cannons held on each side by a male figure, one carrying a hammer, the other large thongs. All sheets in outline, without hills. Early sheets 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 16, 22, 23 and 24 dating from 1854-58 included contours; contours were discontinued in 1858. Sheets dating from 1860 carry copyright notice. Also "The Altitudes are given in Feet above the Low Water of Spring Tides in Dublin Bay which is 21 feet below a mark on the base of Poolbeg Lighthouse". Sheet names in brackets next to sheet number. The topography of each sheet may be dated by the changing ranks and names of officers in charge at Mountjoy, engraved on each plate. Most sheets 1858-61. Most sheets under direction of Captain, later Lieutenant-Colonel George Archibald Leach; all with Henry James, Superintendent of the Ordnance Survey. Historic Maps copy has initials and dates, ranging from 9 Oct. 1862 to 1 April 1863, on each sheet; sheets 7 and 13 have ms. annotations.
- Ireland—Maps, Maps—Ireland—1858, and Topographic maps—Ireland—1858
- Call number:
- Held by:
- Princeton: Historic Map Division, Special Collections, Firestone Library
- Rights Statement:
- No Known Copyright
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