1927. No Edition Remarks. 246 pages. No dust jacket. Red cloth with gilt lettering. Black and white photographs and diagrams throughout. Black and white illustrative frontispiece. Pages bright with some tanning and foxing, particularly to textblock edges and endpapers. Minor pencil annotations to front pastedown and with a previous owner's card stuck down. Binding remains firm. Boards have moderate shelf wear with marks to front and back and some sunning. Spine sunned and mildly crushed top and bottom. Gilt lettering is dulled on spine.