Hardcover. Zustand: Fair. First Edition. 418 pages including fold-out maps. "Furnishes a complete and reliable text book for those who are studying for the Trade examinations, as well as providing a complete text book for general students. The process of solving problems has been fully explained and illustrated by means of diagrams and numerous worked-out examples." - from Preface. Unmarked. Hinges open. Edges and endpapers yellowed. Above-average but not excessive wear to boards. Bright gilt lettering clearly legible upon spine and front board. Useful reference copy.