1879. No Edition Remarks. 384 pages. No dust jacket. Black cloth covered boards. Black and white diagrams throughout. Pages with some foxing and tanning, particularly to endpapers and textblock edges. Binding remains firm. Minor pen inscriptions to endpapers. Boards have heavy shelf wear with bumping and fraying to corners and crushing and fraying to spine ends. All surfaces heavily tanned. Gilt lettering to spine is dulled.