Ordnance Survey Office, Southampton, First edition, 1861 (MDCCCLXI). Hardback, bound in black cloth, with an elaborate blind-stamped frame on front and rear boards, and title (with Royal Crest) blind stamped on rear board and gilt stamped on front board; Imp. 4to., [iv] 9 pp.; edges of text block stained in red. Book condition: Good, in original binding with wear to corners, ends of spine and spine hinges, spine also warped; internal hinges cracked; bookbinder's label on corner of front pastedown. The facsimile is printed in red and black by a process called photo-zincography, so named by its inventor, Col. Sir Henry James R.E. FRS, etc., then Director of the Ordnance Survey and Topographical Depot of the War Office. The Introduction by Col. James explains how he developed the process.