1896. Reprinted. 95 pages. No dust jacket. Pictorial cloth covered boards. Black and white diagrams throughout. Prize plate to front pastedown. Pages with some foxing and tanning, particularly to endpapers and textblock edges. Binding remains firm. Boards have moderate shelf wear with mild bumping and fraying to corners and crushing and fraying to spine ends. All surfaces heavily tanned, particularly spine. Gilt lettering remains bright and clear. Some additional mild marks and staining.