Chicago: Privately Printed, 1922.
Illustrated with diagrams, including 1 folding plate, and 4 color plates, protected with tissue. 106 pages + 43 page appendix. 8vo, gilt-lettered blue cloth with lamen embossed at lower corner; beveled boards, uncut edges, top edge gilt. Chicago: Privately Printed for the Author, (1922/1925). Limited Edition - Signed by the author on the dedication page.
Binding is very lightly edgeworn and evenly faded, still a very good(+) copy of this unusual book. Copyright states "C. Stansfeld Jones, 1922," but 1925 is printed at foot of spine.
Condition: Very Good(+)