1958. Second Edition. 888 pages. No dust jacket. Black cloth. Contains black and white illustrations, tables, and diagrams; some of which are folded. Pages are mostly clean overall, with moderate tanning throughout. Binding is shaky, however all pages remain firmly attached. Boards have slight edge wear with corner bumping. Visible sunning to spine and edges with some crushing to spine ends. White marks overall. Book has a slight forward lean.