Undated. x, 124pp, 70pp (Vocabulary of Scientific Terms). Red cloth-covered boards; black border and titles on front, gilt titles on spine. 12mo. Sun-faded spine; lightly rubbed spine ends, cloth rubbing. Top text block edge dusty, remaining edges starting to tan. Free endpapers heavily tanned. Previous owner's name on front pastedown. Internally neat, clean, bright and tight.
