The Wind Power Aerogenerator Twin-Wheel Type.
Federal Power Commission, 1946. 77 pp., 4to. Stapled paperback. Unpaginated fold-out pgs. Slight soiling, edgewear & creasing to covers; po stamp to back cover. Slight foxing & soiling to textblock edges. Slight foxing & soiling scattered to mostly clean & crisp textblock. Very Good Paperback (Item ID: 153174)