1881. No Edition Remarks. 604 pages. No dust jacket. Brown patterned paper covered boards, with brown leather to spine. Black and white diagrams to rear of textblock; not part of pagination. Written in French. Pages remain bright and clear, with moderate tanning and foxing to edges. Visible marking to a few pages throughout; text is not obscured. Binding is firm, despite mild cracking to front hinge. Slight loss to half title page and front free endpaper. Boards have heavy shelf-wear, with visible corner bumping and noticeable scuffing to edges. Moderate scuffing and removal of paper to boards also. Spine is heavily scuffed, especially to ends. Visible splitting and noticeable loss to ends also.