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. Original Published by: Govt. Print. Off. in 1918 in 404 pages; Subjects: Medicine, Naval; Biography & Autobiography / Military; History / Military / United States; History / Military / Naval; Technology & Engineering / Military Science;