Engineer in United States Navy from 1853 until 1912, when he was relieved from active duty as a Chief Engineer with the rank of Rear Admiral. During the Civil War he served on the U.S.S. Hartford, the flagship of Rear Admiral David Farragut, and was present at the Battle of Mobile Bay in 1864. Collection consists of general correspondence, naval correspondence, diaries, and military papers from his service in the Navy.