1904. New and revised edition. 102 pages. No dust jacket. Green cloth covered boards with gilt. Black and white photographs and diagrams. Pages with some foxing and tanning, particularly to endpapers and textblock edges. Binding remains firm. Extensive pen inscriptions 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. Gilt lettering to spine is slightly dulled. Some additional mild marks and staining.