John Pinkerton's highly decorative map of Ireland, published 1818.  Covers the entire Emerald Isle in considerable detail with political divisions and color coding at the county level.  Identifies cities, towns, castles, important battle sites, castles, swamps, mountains and undersea dangers.  Upper left hand quadrant features two scales, British Miles and Irish Miles.  Drawn by L. Herbert and engraved by Samuel Neele under the direction of John Pinkerton.  This map comes from the scarce American edition of Pinkerton’s Modern Atlas, published by Thomas Dobson &amp; Co. of Philadelphia in 1818.
<bdi><a href="https://en.wikipedia.org/wiki/en:John_Pinkerton" class="extiw" title="w:en:John Pinkerton"><span title="British antiquarian">John Pinkerton</span></a>
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1818 (undated)
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