No Edition Remarks. 27 pages. This is an ex-Library book. Blue paperback. Expected library inserts, stamps and inscriptions. Survey of the German Pump Industry Part II Semi-Rotary Hand Pumps, BIOS Final Report No. 1188, Part II Item No. 31. Pages remain bright and clear with minimal tanning and foxing. Binding remains firm. Paper covers have mild edge-wear with slight rubbing to surfaces. Some curling to corners. Visible tanning to spine and edges. Minor marks to covers.