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Join us for a short, guided tour of material from the Ordnance Survey Archive at the Royal Irish Academy Library during National Heritage Week.

Begun in June 1824, Ireland was the first entire country in the world to be surveyed and mapped at the large scale of six-inches-to-one mile. This year we have collaborated with the AHRC-IRC funded project ‘OS200: Digitally Remapping Ireland’s Ordnance Survey Heritage’ on an exhibition to mark the bicentenary of this undertaking. Join us for a short, guided tour of the exhibition during National Heritage Week and view original material from the OS Archive including manuscript letters, memoirs and sketches written and drawn during the fieldwork stage, and research materials compiled by the surveyors before the work began.

The tour will also provide an opportunity to hear about the exciting OS200 project. OS200 is a three-year research project which aims to gather historic OS maps and texts to form a single freely accessible online resource for academic and public use.

The tours will last approximately 15-20 minutes, but participants are welcome to remain on to take a closer look at highlights from the collection afterwards.


If you have queries regarding this event, please email

Access requirements

Have you got any access requirements that we can assist you with, so that you can fully engage with our event? Please let us know by contacting our access officer in advance of the event, by email: