This is the index map and key to the Ordnance Survey sheets covering the entire county Armagh on a scale of six inches to the mile
Condition & Materials
Copper engraving, printed area measurement 63 x 96 cm, original hand colour, slight spotting, dissected into 16 panels and laid on linen, edged with red silk, as issued; dated 3 March 1831 in a contemporary hand bottom right.
