Brookline, MA: Harry E. Erskine, Publisher, 1932. Wraps. Good. Item #019248
Side stapled wraps. 20 pp., plus ads in the rear. A zine style work devoted to engineering, with sections devoted to diesel engines, combustion, mechanical drawing, electrical, etc. GOOD condition. Rear cover almost detached. Some creasing and curling to the corners. Some soiling. A few small tears along the edges.