660pp. Blue cloth-covered boards, gilt titles on spine. 8vo. Slightly sun faded spine, bumped ends. Minor staining to covers. Small bookseller's label on front paste down. Internally neat, clean, bright and tight. No dust jacket. 1950s chemistry book looking at the technological and engineering aspects of Ion Exchange Technology looking at both its fundamental aspects and applications. Illustrated with graphs, diagrams and photographs; all in black and white.