Cartographic Details: Scale [1:316,800]. 1 in. = 5 mi. (W 5°--E 2°/N 56°--N 50°). Relief shown by hachures. "Projected from the triangulation for the survey made under the direction of the honorable the Board of Ordnance, on a scale of five miles to an inch, and corrected to the present time." Illustration: View of the general post office London / drawn by T. Allom, engraved by H. Griffiths. Continuation inset: Scilly Islands. Includes table of distances by sea, and chart of dioceses with coats of arms. Originally published in 1 sheet (?). 1 map : color, dissected, mounted on cloth, and bound in 4 volumes ; 202 x 167 cm.