xx, 322pp, xxi-lii. Blue cloth-covered boards, gilt titles on front and spine. Sun-faded spine and rear board. Bumped spine ends, cloth rubbing. Text block edges foxing. Endpapers foxing. Previous owner's name on front free endpaper. Gutter cracked at title page. Internally neat, clean, bright and tight. Black cloth-covered boards, gilt titles on spine. Lightly bumped spine ends. 8vo.
1930's book written primarily for municipal and sanitary engineers, looking at the problem of sewage treatment and disposal. A very good clean hardback illustrated with black and white photographs and line drawings.