This is an OCR edition without illustrations or index. It may have numerous typos or missing text. However, purchasers can download a free scanned copy of the original rare book from GeneralBooksClub.com. You can also preview excerpts from the book there. Purchasers are also entitled to a free trial membership in the General Books Club where they can select from more than a million books without charge. Subtitle: An Account of the Important Contribution of the United States to Aircraft Invention, Engineering, Development and Production During the World War; Original Published by: G. P. Putnam's sons in 1920 in 382 pages; Subjects: World War, 1914-1918; Aeronautics, Military; Biography & Autobiography / Military; History / General; History / Military / General; History / Military / World War I; History / Military / Aviation; Technology & Engineering / Military Science;