Hardcover. Approx. 200 pp. Illustrated with 191 plates of b/w potographs, many full-page, and plans. Introduction and commentary by Matlack Price. Foreword by Harvey Wiley Corbett. INSCRIBED BY DWIGHT JAMES BAUM (1930) to Major James E. Hahn, who later became the Director-General of Technical Development for the Canadian Army in WW II. Hahn’s bookplate on front pastedown; previous owner’s blind stamp on title page; cloth rubbed, with some spotting; corners slightly bumped, and spine lettering faded off; but still a pretty bright Very Good copy with otherwise Near Fine interior with small tape-mended marginal tear to fly-leaf.