Held at London Metropolitan Archives, the  Great Parchment Book records land estates owned by the City of London in the Ulster county of Derry in the year 1639.

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What is especially innovative about the digitisation is the manipulation of the images required to make the book legible. Badly distorted and shrunk by a fire in 1786, traditional conservation techniques were not enough to make the document readable; therefore working with UCL Digital Humanities department, the Archives manipulated the resulting scanned images to create a viewable digital version.

There has also been transcription and marking-up of organisations and places in the document, giving an extra  The digital version has managed to extract much scholarly richness from a physical object the condition of which was tremendously resistant to any kind of access and understanding

The licencing is fully copyright restricted.