1921. No Edition Remarks. 640 pages. No dust jacket. Blue cloth with a photographic black and white frontis and plates throughout. Fold out diagrams to the rear. Heavy tanning to pages with heavier foxing and tanning to pastedowns and endpapers. Visible tanning to text block edges and slight dog-eared pages throughout. Both hinges are cracked with exposed netting and cracks to guttering with exposed netting. Binding is loose. Boards have heavy rubbing and major bumping to corners. Fair crushing to spine ends and visible tanning to spine.