London. Liverpool.George Philiip & Son, Ltd. Philip, Son& Nephew. [Undated]. Unpaged. Illustrated throughout with black and green line drawings and modelling templates. Original cloth backed printed boards. Oblong quarto. Fourth edition. Corners of front board a little rubbed; title, rear free endpaper and fore-edges a trifle browned; front hinge just beginning to crack; else a very good copy.