No Edition Remarks. 246 pages. No dust jacket. Brown cloth with black and white illustrations throughout. Includes model deviascope wheel and the appendix booklet at the front. Heavy tanning to pages with ink stamp and pen inscriptions to front endpaper and slight dog-eared pages throughout. Visible tanning to text block edges and slight dog-eared pages throughout. There is cracks to guttering with exposed netting and binding is loose. Boards have visible rubbing and heavier bumping to corners. Fair crushing to spine ends and notable rubbing to spine.