xxiv, 356pp, 14pp of black and white photographic plates. Red cloth-covered boards, gilt titles on spine, several black and white illustrations and diagrams. 12mo. Boards lightly soiled and worn. Spine ends and corners lightly rubbed and rounded. Top text block edge lightly soiled. Previous owner's name in pen and a bookseller's rubber stamp on front free endpaper, endpapers lightly foxed. Light soiling on final page. Otherwise internally very neat, clean and tight. Dust jacket worn around edges and ends, rear cover has some staining, heavy chipping at corners, wear along top edge and folds, not price-clipped; interior lightly soiled, tanning along spine.