HMSO / Her Majesty's Stationery Office, London, 1919. Ninth edition. Purple cloth over boards with white titles on front and spine. Edges of cloth are tatty on top front corner and spine is faded and creased. Contents tight. 578pp with folding map and cross-section diagrams. Previous owner's names on front e/p's. Supplements 1, 1920 and 2, 1921 included. Solid copy.