One-inch (1:63,360) Belfast (Large Sheet)

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50. An 1871 correspondence between Ordnance Survey officers reveals that while it was considered desirable to publish the one-inch map of Ireland in full sheet format, it was impractical either to cancel the quarter sheets or to publish the map in two different sizes. Publication of this Belfast full sheet, being ready, was however permitted. This is the only known copy, unfortunately seriously defective.

From a copy in a private collection