The Collapse Method of Design as Applied to Single-bay Fixed-base Portals F A. Partridge
No Edition Remarks. 40 pages. Black paperback. Contains black and white illustrations throughout. Pages remain bright and clear with minimal tanning and foxing. Thumb-marking present. Pulling to covers. Binding remains firm. Paper covers have moderate edge-wear with curling to corners and rubbing to surfaces. Some tanning to spine and edges. Marks and scratches to covers.