1894. No edition remarks. 62 pages. No dust jacket. Pictorial cloth covered boards. Black and white diagrams. Black and white frontispiece. Pages with some foxing and tanning, particularly to endpapers and textblock edges. Heavy cracking to hinges with exposed netting. Binding loose. A previous owner's name to front free endpaper. Boards have moderate shelf wear with mild bumping and fraying to corners and crushing and fraying to spine ends. All surfaces tanned and sunned, particularly spine. Some additional moderate marks and staining.