No Edition Remarks. 32 pages. This is an ex-Library book. Cream paperback. Developments in the Design of Propulsion Units of German Naval Vessels. Expected library inserts, stamps and inscriptions. Pages remain bright and clear with minimal tanning and foxing. Thumb-marking present. Binding remains firm. Paper covers have moderate edge-wear with curling to corners and rubbing to surfaces. Noticeable tanning to spine and edges. Brown marks overall.